Home / 480,049,609.80-720,074,414.70-459,894,217.80

Finding the Fourth Proportional to 480,049,609.80, 720,074,414.70 and 459,894,217.80

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Solution

The fourth proportional to 480,049,609.80, 720,074,414.70 and 459,894,217.80 is: 689,841,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,049,609.80 : 720,074,414.70 = 459,894,217.80 : x
  2. Step 2: Convert to fraction form
    480,049,609.80/720,074,414.70 = 459,894,217.80/x
  3. Step 3: Cross multiply
    480,049,609.80x = 720,074,414.70 × 459,894,217.80
  4. Step 4: Simplify right side
    480,049,609.80x = 331,158,059,706,249,344
  5. Step 5: Solve for x
    x = 331,158,059,706,249,344/480,049,609.80
  6. Step 6: Final answer
    x = 689,841,326.70

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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.