Home / 499,255,331.56-748,391,705.34-291,730,376.68

Finding the Fourth Proportional to 499,255,331.56, 748,391,705.34 and 291,730,376.68

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Solution

The fourth proportional to 499,255,331.56, 748,391,705.34 and 291,730,376.68 is: 437,308,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,255,331.56 : 748,391,705.34 = 291,730,376.68 : x
  2. Step 2: Convert to fraction form
    499,255,331.56/748,391,705.34 = 291,730,376.68/x
  3. Step 3: Cross multiply
    499,255,331.56x = 748,391,705.34 × 291,730,376.68
  4. Step 4: Simplify right side
    499,255,331.56x = 218,328,594,103,025,792
  5. Step 5: Solve for x
    x = 218,328,594,103,025,792/499,255,331.56
  6. Step 6: Final answer
    x = 437,308,487.86

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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.