Home / 1,293,414,008.70-1,940,121,013.05-373,320,363.90

Finding the Fourth Proportional to 1,293,414,008.70, 1,940,121,013.05 and 373,320,363.90

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Solution

The fourth proportional to 1,293,414,008.70, 1,940,121,013.05 and 373,320,363.90 is: 559,980,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,414,008.70 : 1,940,121,013.05 = 373,320,363.90 : x
  2. Step 2: Convert to fraction form
    1,293,414,008.70/1,940,121,013.05 = 373,320,363.90/x
  3. Step 3: Cross multiply
    1,293,414,008.70x = 1,940,121,013.05 × 373,320,363.90
  4. Step 4: Simplify right side
    1,293,414,008.70x = 724,286,682,601,862,528
  5. Step 5: Solve for x
    x = 724,286,682,601,862,528/1,293,414,008.70
  6. Step 6: Final answer
    x = 559,980,545.85

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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.