Home / 382,590,352.80-573,885,529.20-123,831,729.90

Finding the Fourth Proportional to 382,590,352.80, 573,885,529.20 and 123,831,729.90

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Solution

The fourth proportional to 382,590,352.80, 573,885,529.20 and 123,831,729.90 is: 185,747,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,590,352.80 : 573,885,529.20 = 123,831,729.90 : x
  2. Step 2: Convert to fraction form
    382,590,352.80/573,885,529.20 = 123,831,729.90/x
  3. Step 3: Cross multiply
    382,590,352.80x = 573,885,529.20 × 123,831,729.90
  4. Step 4: Simplify right side
    382,590,352.80x = 71,065,237,845,412,976
  5. Step 5: Solve for x
    x = 71,065,237,845,412,976/382,590,352.80
  6. Step 6: Final answer
    x = 185,747,594.85

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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.