Home / 424,436,461.89-636,654,653.96-117,728,588.13

Finding the Fourth Proportional to 424,436,461.89, 636,654,653.96 and 117,728,588.13

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Solution

The fourth proportional to 424,436,461.89, 636,654,653.96 and 117,728,588.13 is: 176,592,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,436,461.89 : 636,654,653.96 = 117,728,588.13 : x
  2. Step 2: Convert to fraction form
    424,436,461.89/636,654,653.96 = 117,728,588.13/x
  3. Step 3: Cross multiply
    424,436,461.89x = 636,654,653.96 × 117,728,588.13
  4. Step 4: Simplify right side
    424,436,461.89x = 74,952,453,536,515,872
  5. Step 5: Solve for x
    x = 74,952,453,536,515,872/424,436,461.89
  6. Step 6: Final answer
    x = 176,592,871.41

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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.