Home / 540,636,001.52-746,092,372.80-305,721,806.96

Finding the Fourth Proportional to 540,636,001.52, 746,092,372.80 and 305,721,806.96

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Solution

The fourth proportional to 540,636,001.52, 746,092,372.80 and 305,721,806.96 is: 421,904,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,636,001.52 : 746,092,372.80 = 305,721,806.96 : x
  2. Step 2: Convert to fraction form
    540,636,001.52/746,092,372.80 = 305,721,806.96/x
  3. Step 3: Cross multiply
    540,636,001.52x = 746,092,372.80 × 305,721,806.96
  4. Step 4: Simplify right side
    540,636,001.52x = 228,096,708,371,489,920
  5. Step 5: Solve for x
    x = 228,096,708,371,489,920/540,636,001.52
  6. Step 6: Final answer
    x = 421,904,400.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.