Home / 3,891,403,128.25-5,835,897,455.61-1,403,940,689.83

Finding the Fourth Proportional to 3,891,403,128.25, 5,835,897,455.61 and 1,403,940,689.83

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Solution

The fourth proportional to 3,891,403,128.25, 5,835,897,455.61 and 1,403,940,689.83 is: 2,105,475,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,403,128.25 : 5,835,897,455.61 = 1,403,940,689.83 : x
  2. Step 2: Convert to fraction form
    3,891,403,128.25/5,835,897,455.61 = 1,403,940,689.83/x
  3. Step 3: Cross multiply
    3,891,403,128.25x = 5,835,897,455.61 × 1,403,940,689.83
  4. Step 4: Simplify right side
    3,891,403,128.25x = 8,193,253,899,606,244,352
  5. Step 5: Solve for x
    x = 8,193,253,899,606,244,352/3,891,403,128.25
  6. Step 6: Final answer
    x = 2,105,475,487.78

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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.