Home / 1,254,479,179.60-1,731,397,955.64-726,134,479.48

Finding the Fourth Proportional to 1,254,479,179.60, 1,731,397,955.64 and 726,134,479.48

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Solution

The fourth proportional to 1,254,479,179.60, 1,731,397,955.64 and 726,134,479.48 is: 1,002,191,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,479,179.60 : 1,731,397,955.64 = 726,134,479.48 : x
  2. Step 2: Convert to fraction form
    1,254,479,179.60/1,731,397,955.64 = 726,134,479.48/x
  3. Step 3: Cross multiply
    1,254,479,179.60x = 1,731,397,955.64 × 726,134,479.48
  4. Step 4: Simplify right side
    1,254,479,179.60x = 1,257,227,753,291,387,648
  5. Step 5: Solve for x
    x = 1,257,227,753,291,387,648/1,254,479,179.60
  6. Step 6: Final answer
    x = 1,002,191,007.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.