Home / 1,312,091,159.25-1,810,723,591.13-725,418,086.61

Finding the Fourth Proportional to 1,312,091,159.25, 1,810,723,591.13 and 725,418,086.61

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Solution

The fourth proportional to 1,312,091,159.25, 1,810,723,591.13 and 725,418,086.61 is: 1,001,097,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,091,159.25 : 1,810,723,591.13 = 725,418,086.61 : x
  2. Step 2: Convert to fraction form
    1,312,091,159.25/1,810,723,591.13 = 725,418,086.61/x
  3. Step 3: Cross multiply
    1,312,091,159.25x = 1,810,723,591.13 × 725,418,086.61
  4. Step 4: Simplify right side
    1,312,091,159.25x = 1,313,531,642,853,485,568
  5. Step 5: Solve for x
    x = 1,313,531,642,853,485,568/1,312,091,159.25
  6. Step 6: Final answer
    x = 1,001,097,853.30

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1.5x scale

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.