Home / 481,536,542.40-722,304,813.60-358,912,132.80

Finding the Fourth Proportional to 481,536,542.40, 722,304,813.60 and 358,912,132.80

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Solution

The fourth proportional to 481,536,542.40, 722,304,813.60 and 358,912,132.80 is: 538,368,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,536,542.40 : 722,304,813.60 = 358,912,132.80 : x
  2. Step 2: Convert to fraction form
    481,536,542.40/722,304,813.60 = 358,912,132.80/x
  3. Step 3: Cross multiply
    481,536,542.40x = 722,304,813.60 × 358,912,132.80
  4. Step 4: Simplify right side
    481,536,542.40x = 259,243,961,180,882,464
  5. Step 5: Solve for x
    x = 259,243,961,180,882,464/481,536,542.40
  6. Step 6: Final answer
    x = 538,368,199.20

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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.