Home / 1,031,438,897.30-1,543,757,123.55-725,328,881.30

Finding the Fourth Proportional to 1,031,438,897.30, 1,543,757,123.55 and 725,328,881.30

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Solution

The fourth proportional to 1,031,438,897.30, 1,543,757,123.55 and 725,328,881.30 is: 1,085,601,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,438,897.30 : 1,543,757,123.55 = 725,328,881.30 : x
  2. Step 2: Convert to fraction form
    1,031,438,897.30/1,543,757,123.55 = 725,328,881.30/x
  3. Step 3: Cross multiply
    1,031,438,897.30x = 1,543,757,123.55 × 725,328,881.30
  4. Step 4: Simplify right side
    1,031,438,897.30x = 1,119,731,627,423,427,328
  5. Step 5: Solve for x
    x = 1,119,731,627,423,427,328/1,031,438,897.30
  6. Step 6: Final answer
    x = 1,085,601,512.95

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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.