Home / 1,387,001,107.64-2,080,280,194.72-404,197,758.47

Finding the Fourth Proportional to 1,387,001,107.64, 2,080,280,194.72 and 404,197,758.47

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Solution

The fourth proportional to 1,387,001,107.64, 2,080,280,194.72 and 404,197,758.47 is: 606,232,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,001,107.64 : 2,080,280,194.72 = 404,197,758.47 : x
  2. Step 2: Convert to fraction form
    1,387,001,107.64/2,080,280,194.72 = 404,197,758.47/x
  3. Step 3: Cross multiply
    1,387,001,107.64x = 2,080,280,194.72 × 404,197,758.47
  4. Step 4: Simplify right side
    1,387,001,107.64x = 840,844,591,695,359,232
  5. Step 5: Solve for x
    x = 840,844,591,695,359,232/1,387,001,107.64
  6. Step 6: Final answer
    x = 606,232,098.20

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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.