Home / 480,049,591.80-720,074,387.70-459,894,199.80

Finding the Fourth Proportional to 480,049,591.80, 720,074,387.70 and 459,894,199.80

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Solution

The fourth proportional to 480,049,591.80, 720,074,387.70 and 459,894,199.80 is: 689,841,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,049,591.80 : 720,074,387.70 = 459,894,199.80 : x
  2. Step 2: Convert to fraction form
    480,049,591.80/720,074,387.70 = 459,894,199.80/x
  3. Step 3: Cross multiply
    480,049,591.80x = 720,074,387.70 × 459,894,199.80
  4. Step 4: Simplify right side
    480,049,591.80x = 331,158,034,327,766,464
  5. Step 5: Solve for x
    x = 331,158,034,327,766,464/480,049,591.80
  6. Step 6: Final answer
    x = 689,841,299.70

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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.