Home / 663,896,266.20-995,844,399.30-618,546,634.20

Finding the Fourth Proportional to 663,896,266.20, 995,844,399.30 and 618,546,634.20

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Solution

The fourth proportional to 663,896,266.20, 995,844,399.30 and 618,546,634.20 is: 927,819,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,896,266.20 : 995,844,399.30 = 618,546,634.20 : x
  2. Step 2: Convert to fraction form
    663,896,266.20/995,844,399.30 = 618,546,634.20/x
  3. Step 3: Cross multiply
    663,896,266.20x = 995,844,399.30 × 618,546,634.20
  4. Step 4: Simplify right side
    663,896,266.20x = 615,976,201,373,935,872
  5. Step 5: Solve for x
    x = 615,976,201,373,935,872/663,896,266.20
  6. Step 6: Final answer
    x = 927,819,951.30

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Similar ratio
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1.5x scale

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.