Home / 363,350,489.40-545,025,734.10-265,777,921.80

Finding the Fourth Proportional to 363,350,489.40, 545,025,734.10 and 265,777,921.80

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Solution

The fourth proportional to 363,350,489.40, 545,025,734.10 and 265,777,921.80 is: 398,666,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,350,489.40 : 545,025,734.10 = 265,777,921.80 : x
  2. Step 2: Convert to fraction form
    363,350,489.40/545,025,734.10 = 265,777,921.80/x
  3. Step 3: Cross multiply
    363,350,489.40x = 545,025,734.10 × 265,777,921.80
  4. Step 4: Simplify right side
    363,350,489.40x = 144,855,806,936,617,408
  5. Step 5: Solve for x
    x = 144,855,806,936,617,408/363,350,489.40
  6. Step 6: Final answer
    x = 398,666,882.70

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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.