Home / 382,485,226.80-573,727,840.20-123,726,603.90

Finding the Fourth Proportional to 382,485,226.80, 573,727,840.20 and 123,726,603.90

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Solution

The fourth proportional to 382,485,226.80, 573,727,840.20 and 123,726,603.90 is: 185,589,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,485,226.80 : 573,727,840.20 = 123,726,603.90 : x
  2. Step 2: Convert to fraction form
    382,485,226.80/573,727,840.20 = 123,726,603.90/x
  3. Step 3: Cross multiply
    382,485,226.80x = 573,727,840.20 × 123,726,603.90
  4. Step 4: Simplify right side
    382,485,226.80x = 70,985,397,230,827,904
  5. Step 5: Solve for x
    x = 70,985,397,230,827,904/382,485,226.80
  6. Step 6: Final answer
    x = 185,589,905.85

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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.