Home / 1,387,001,108.14-2,080,280,195.47-404,197,758.97

Finding the Fourth Proportional to 1,387,001,108.14, 2,080,280,195.47 and 404,197,758.97

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Solution

The fourth proportional to 1,387,001,108.14, 2,080,280,195.47 and 404,197,758.97 is: 606,232,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,001,108.14 : 2,080,280,195.47 = 404,197,758.97 : x
  2. Step 2: Convert to fraction form
    1,387,001,108.14/2,080,280,195.47 = 404,197,758.97/x
  3. Step 3: Cross multiply
    1,387,001,108.14x = 2,080,280,195.47 × 404,197,758.97
  4. Step 4: Simplify right side
    1,387,001,108.14x = 840,844,593,038,647,680
  5. Step 5: Solve for x
    x = 840,844,593,038,647,680/1,387,001,108.14
  6. Step 6: Final answer
    x = 606,232,098.95

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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.