Home / 621,669,635,999.40-932,504,453,999.10-577,038,795,666.60

Finding the Fourth Proportional to 621,669,635,999.40, 932,504,453,999.10 and 577,038,795,666.60

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Solution

The fourth proportional to 621,669,635,999.40, 932,504,453,999.10 and 577,038,795,666.60 is: 865,558,193,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,669,635,999.40 : 932,504,453,999.10 = 577,038,795,666.60 : x
  2. Step 2: Convert to fraction form
    621,669,635,999.40/932,504,453,999.10 = 577,038,795,666.60/x
  3. Step 3: Cross multiply
    621,669,635,999.40x = 932,504,453,999.10 × 577,038,795,666.60
  4. Step 4: Simplify right side
    621,669,635,999.40x = 538,091,247,089,381,015,552,000
  5. Step 5: Solve for x
    x = 538,091,247,089,381,015,552,000/621,669,635,999.40
  6. Step 6: Final answer
    x = 865,558,193,499.90

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Double scale
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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.