Home / 387,841,337.70-581,762,006.55-242,722,515.30

Finding the Fourth Proportional to 387,841,337.70, 581,762,006.55 and 242,722,515.30

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Solution

The fourth proportional to 387,841,337.70, 581,762,006.55 and 242,722,515.30 is: 364,083,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,841,337.70 : 581,762,006.55 = 242,722,515.30 : x
  2. Step 2: Convert to fraction form
    387,841,337.70/581,762,006.55 = 242,722,515.30/x
  3. Step 3: Cross multiply
    387,841,337.70x = 581,762,006.55 × 242,722,515.30
  4. Step 4: Simplify right side
    387,841,337.70x = 141,206,737,535,791,072
  5. Step 5: Solve for x
    x = 141,206,737,535,791,072/387,841,337.70
  6. Step 6: Final answer
    x = 364,083,772.95

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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.