Home / 1,103,428,543.61-1,654,205,371.94-513,561,324.67

Finding the Fourth Proportional to 1,103,428,543.61, 1,654,205,371.94 and 513,561,324.67

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Solution

The fourth proportional to 1,103,428,543.61, 1,654,205,371.94 and 513,561,324.67 is: 769,905,678.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,428,543.61 : 1,654,205,371.94 = 513,561,324.67 : x
  2. Step 2: Convert to fraction form
    1,103,428,543.61/1,654,205,371.94 = 513,561,324.67/x
  3. Step 3: Cross multiply
    1,103,428,543.61x = 1,654,205,371.94 × 513,561,324.67
  4. Step 4: Simplify right side
    1,103,428,543.61x = 849,535,902,086,884,864
  5. Step 5: Solve for x
    x = 849,535,902,086,884,864/1,103,428,543.61
  6. Step 6: Final answer
    x = 769,905,678.99

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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.