Home / 423,266,617.62-634,981,688.82-160,930,770.78

Finding the Fourth Proportional to 423,266,617.62, 634,981,688.82 and 160,930,770.78

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Solution

The fourth proportional to 423,266,617.62, 634,981,688.82 and 160,930,770.78 is: 241,427,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,266,617.62 : 634,981,688.82 = 160,930,770.78 : x
  2. Step 2: Convert to fraction form
    423,266,617.62/634,981,688.82 = 160,930,770.78/x
  3. Step 3: Cross multiply
    423,266,617.62x = 634,981,688.82 × 160,930,770.78
  4. Step 4: Simplify right side
    423,266,617.62x = 102,188,092,612,988,720
  5. Step 5: Solve for x
    x = 102,188,092,612,988,720/423,266,617.62
  6. Step 6: Final answer
    x = 241,427,243.16

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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.