Home / 268,343,998.80-402,515,998.20-237,732,997.20

Finding the Fourth Proportional to 268,343,998.80, 402,515,998.20 and 237,732,997.20

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Solution

The fourth proportional to 268,343,998.80, 402,515,998.20 and 237,732,997.20 is: 356,599,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,343,998.80 : 402,515,998.20 = 237,732,997.20 : x
  2. Step 2: Convert to fraction form
    268,343,998.80/402,515,998.20 = 237,732,997.20/x
  3. Step 3: Cross multiply
    268,343,998.80x = 402,515,998.20 × 237,732,997.20
  4. Step 4: Simplify right side
    268,343,998.80x = 95,691,334,673,035,792
  5. Step 5: Solve for x
    x = 95,691,334,673,035,792/268,343,998.80
  6. Step 6: Final answer
    x = 356,599,495.80

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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.