Home / 663,554,614.20-995,331,921.30-340,471,145.40

Finding the Fourth Proportional to 663,554,614.20, 995,331,921.30 and 340,471,145.40

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Solution

The fourth proportional to 663,554,614.20, 995,331,921.30 and 340,471,145.40 is: 510,706,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,554,614.20 : 995,331,921.30 = 340,471,145.40 : x
  2. Step 2: Convert to fraction form
    663,554,614.20/995,331,921.30 = 340,471,145.40/x
  3. Step 3: Cross multiply
    663,554,614.20x = 995,331,921.30 × 340,471,145.40
  4. Step 4: Simplify right side
    663,554,614.20x = 338,881,799,298,193,600
  5. Step 5: Solve for x
    x = 338,881,799,298,193,600/663,554,614.20
  6. Step 6: Final answer
    x = 510,706,718.10

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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.