Home / 1,147,137,524.29-1,582,959,232.61-645,246,387.73

Finding the Fourth Proportional to 1,147,137,524.29, 1,582,959,232.61 and 645,246,387.73

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Solution

The fourth proportional to 1,147,137,524.29, 1,582,959,232.61 and 645,246,387.73 is: 890,389,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,137,524.29 : 1,582,959,232.61 = 645,246,387.73 : x
  2. Step 2: Convert to fraction form
    1,147,137,524.29/1,582,959,232.61 = 645,246,387.73/x
  3. Step 3: Cross multiply
    1,147,137,524.29x = 1,582,959,232.61 × 645,246,387.73
  4. Step 4: Simplify right side
    1,147,137,524.29x = 1,021,398,726,762,229,120
  5. Step 5: Solve for x
    x = 1,021,398,726,762,229,120/1,147,137,524.29
  6. Step 6: Final answer
    x = 890,389,081.64

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Double scale
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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.