Home / 424,436,460.39-636,654,651.71-117,728,586.63

Finding the Fourth Proportional to 424,436,460.39, 636,654,651.71 and 117,728,586.63

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Solution

The fourth proportional to 424,436,460.39, 636,654,651.71 and 117,728,586.63 is: 176,592,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,436,460.39 : 636,654,651.71 = 117,728,586.63 : x
  2. Step 2: Convert to fraction form
    424,436,460.39/636,654,651.71 = 117,728,586.63/x
  3. Step 3: Cross multiply
    424,436,460.39x = 636,654,651.71 × 117,728,586.63
  4. Step 4: Simplify right side
    424,436,460.39x = 74,952,452,316,644,576
  5. Step 5: Solve for x
    x = 74,952,452,316,644,576/424,436,460.39
  6. Step 6: Final answer
    x = 176,592,869.16

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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.