Home / 509,002,451.40-762,791,960.70-275,328,720.84

Finding the Fourth Proportional to 509,002,451.40, 762,791,960.70 and 275,328,720.84

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Solution

The fourth proportional to 509,002,451.40, 762,791,960.70 and 275,328,720.84 is: 412,608,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,002,451.40 : 762,791,960.70 = 275,328,720.84 : x
  2. Step 2: Convert to fraction form
    509,002,451.40/762,791,960.70 = 275,328,720.84/x
  3. Step 3: Cross multiply
    509,002,451.40x = 762,791,960.70 × 275,328,720.84
  4. Step 4: Simplify right side
    509,002,451.40x = 210,018,534,806,566,560
  5. Step 5: Solve for x
    x = 210,018,534,806,566,560/509,002,451.40
  6. Step 6: Final answer
    x = 412,608,100.86

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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.