Home / 424,437,460.14-636,656,149.17-117,729,586.38

Finding the Fourth Proportional to 424,437,460.14, 636,656,149.17 and 117,729,586.38

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Solution

The fourth proportional to 424,437,460.14, 636,656,149.17 and 117,729,586.38 is: 176,594,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,437,460.14 : 636,656,149.17 = 117,729,586.38 : x
  2. Step 2: Convert to fraction form
    424,437,460.14/636,656,149.17 = 117,729,586.38/x
  3. Step 3: Cross multiply
    424,437,460.14x = 636,656,149.17 × 117,729,586.38
  4. Step 4: Simplify right side
    424,437,460.14x = 74,953,265,108,067,680
  5. Step 5: Solve for x
    x = 74,953,265,108,067,680/424,437,460.14
  6. Step 6: Final answer
    x = 176,594,368.19

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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.