Home / 722,465,966.46-997,002,259.11-392,441,352.06

Finding the Fourth Proportional to 722,465,966.46, 997,002,259.11 and 392,441,352.06

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Solution

The fourth proportional to 722,465,966.46, 997,002,259.11 and 392,441,352.06 is: 541,568,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,465,966.46 : 997,002,259.11 = 392,441,352.06 : x
  2. Step 2: Convert to fraction form
    722,465,966.46/997,002,259.11 = 392,441,352.06/x
  3. Step 3: Cross multiply
    722,465,966.46x = 997,002,259.11 × 392,441,352.06
  4. Step 4: Simplify right side
    722,465,966.46x = 391,264,914,572,002,880
  5. Step 5: Solve for x
    x = 391,264,914,572,002,880/722,465,966.46
  6. Step 6: Final answer
    x = 541,568,645.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.