Home / 382,474,960.80-573,712,441.20-123,875,770.20

Finding the Fourth Proportional to 382,474,960.80, 573,712,441.20 and 123,875,770.20

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Solution

The fourth proportional to 382,474,960.80, 573,712,441.20 and 123,875,770.20 is: 185,813,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,474,960.80 : 573,712,441.20 = 123,875,770.20 : x
  2. Step 2: Convert to fraction form
    382,474,960.80/573,712,441.20 = 123,875,770.20/x
  3. Step 3: Cross multiply
    382,474,960.80x = 573,712,441.20 × 123,875,770.20
  4. Step 4: Simplify right side
    382,474,960.80x = 71,069,070,526,972,216
  5. Step 5: Solve for x
    x = 71,069,070,526,972,216/382,474,960.80
  6. Step 6: Final answer
    x = 185,813,655.30

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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.