Home / 1,236,694,580.73-1,855,040,690.12-316,569,443.13

Finding the Fourth Proportional to 1,236,694,580.73, 1,855,040,690.12 and 316,569,443.13

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Solution

The fourth proportional to 1,236,694,580.73, 1,855,040,690.12 and 316,569,443.13 is: 474,853,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,694,580.73 : 1,855,040,690.12 = 316,569,443.13 : x
  2. Step 2: Convert to fraction form
    1,236,694,580.73/1,855,040,690.12 = 316,569,443.13/x
  3. Step 3: Cross multiply
    1,236,694,580.73x = 1,855,040,690.12 × 316,569,443.13
  4. Step 4: Simplify right side
    1,236,694,580.73x = 587,249,198,253,196,416
  5. Step 5: Solve for x
    x = 587,249,198,253,196,416/1,236,694,580.73
  6. Step 6: Final answer
    x = 474,853,862.39

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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.