Home / 391,451,829.55-586,789,892.86-183,818,556.21

Finding the Fourth Proportional to 391,451,829.55, 586,789,892.86 and 183,818,556.21

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Solution

The fourth proportional to 391,451,829.55, 586,789,892.86 and 183,818,556.21 is: 275,545,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,451,829.55 : 586,789,892.86 = 183,818,556.21 : x
  2. Step 2: Convert to fraction form
    391,451,829.55/586,789,892.86 = 183,818,556.21/x
  3. Step 3: Cross multiply
    391,451,829.55x = 586,789,892.86 × 183,818,556.21
  4. Step 4: Simplify right side
    391,451,829.55x = 107,862,870,904,145,792
  5. Step 5: Solve for x
    x = 107,862,870,904,145,792/391,451,829.55
  6. Step 6: Final answer
    x = 275,545,706.42

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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.