Home / 1,387,001,106.64-2,080,280,193.22-404,197,757.47

Finding the Fourth Proportional to 1,387,001,106.64, 2,080,280,193.22 and 404,197,757.47

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Solution

The fourth proportional to 1,387,001,106.64, 2,080,280,193.22 and 404,197,757.47 is: 606,232,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,001,106.64 : 2,080,280,193.22 = 404,197,757.47 : x
  2. Step 2: Convert to fraction form
    1,387,001,106.64/2,080,280,193.22 = 404,197,757.47/x
  3. Step 3: Cross multiply
    1,387,001,106.64x = 2,080,280,193.22 × 404,197,757.47
  4. Step 4: Simplify right side
    1,387,001,106.64x = 840,844,589,008,782,336
  5. Step 5: Solve for x
    x = 840,844,589,008,782,336/1,387,001,106.64
  6. Step 6: Final answer
    x = 606,232,096.70

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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.