Home / 415,874,356.80-573,884,791.20-227,666,569.92

Finding the Fourth Proportional to 415,874,356.80, 573,884,791.20 and 227,666,569.92

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Solution

The fourth proportional to 415,874,356.80, 573,884,791.20 and 227,666,569.92 is: 314,167,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,874,356.80 : 573,884,791.20 = 227,666,569.92 : x
  2. Step 2: Convert to fraction form
    415,874,356.80/573,884,791.20 = 227,666,569.92/x
  3. Step 3: Cross multiply
    415,874,356.80x = 573,884,791.20 × 227,666,569.92
  4. Step 4: Simplify right side
    415,874,356.80x = 130,654,381,941,759,408
  5. Step 5: Solve for x
    x = 130,654,381,941,759,408/415,874,356.80
  6. Step 6: Final answer
    x = 314,167,920.68

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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.