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Finding the Fourth Proportional to 266,688,017.60, 399,434,829.60 and 159,192,593.60

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Solution

The fourth proportional to 266,688,017.60, 399,434,829.60 and 159,192,593.60 is: 238,432,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,688,017.60 : 399,434,829.60 = 159,192,593.60 : x
  2. Step 2: Convert to fraction form
    266,688,017.60/399,434,829.60 = 159,192,593.60/x
  3. Step 3: Cross multiply
    266,688,017.60x = 399,434,829.60 × 159,192,593.60
  4. Step 4: Simplify right side
    266,688,017.60x = 63,587,066,498,198,048
  5. Step 5: Solve for x
    x = 63,587,066,498,198,048/266,688,017.60
  6. Step 6: Final answer
    x = 238,432,409.04

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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.