Home / 621,669,635,998.40-932,504,453,997.60-577,038,795,665.60

Finding the Fourth Proportional to 621,669,635,998.40, 932,504,453,997.60 and 577,038,795,665.60

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Solution

The fourth proportional to 621,669,635,998.40, 932,504,453,997.60 and 577,038,795,665.60 is: 865,558,193,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,669,635,998.40 : 932,504,453,997.60 = 577,038,795,665.60 : x
  2. Step 2: Convert to fraction form
    621,669,635,998.40/932,504,453,997.60 = 577,038,795,665.60/x
  3. Step 3: Cross multiply
    621,669,635,998.40x = 932,504,453,997.60 × 577,038,795,665.60
  4. Step 4: Simplify right side
    621,669,635,998.40x = 538,091,247,087,582,967,758,848
  5. Step 5: Solve for x
    x = 538,091,247,087,582,967,758,848/621,669,635,998.40
  6. Step 6: Final answer
    x = 865,558,193,498.40

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Half scale
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Double scale
Find fourth proportional to 621,669,635,999.40, 932,504,453,999.10 and 577,038,795,666.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.