Home / 5,314,446,181.20-7,971,669,271.80-3,936,951,109.20

Finding the Fourth Proportional to 5,314,446,181.20, 7,971,669,271.80 and 3,936,951,109.20

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Solution

The fourth proportional to 5,314,446,181.20, 7,971,669,271.80 and 3,936,951,109.20 is: 5,905,426,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,446,181.20 : 7,971,669,271.80 = 3,936,951,109.20 : x
  2. Step 2: Convert to fraction form
    5,314,446,181.20/7,971,669,271.80 = 3,936,951,109.20/x
  3. Step 3: Cross multiply
    5,314,446,181.20x = 7,971,669,271.80 × 3,936,951,109.20
  4. Step 4: Simplify right side
    5,314,446,181.20x = 31,384,072,181,788,565,504
  5. Step 5: Solve for x
    x = 31,384,072,181,788,565,504/5,314,446,181.20
  6. Step 6: Final answer
    x = 5,905,426,663.80

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Double scale
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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.