Home / 494,338,515.20-741,507,772.80-130,869,612.80

Finding the Fourth Proportional to 494,338,515.20, 741,507,772.80 and 130,869,612.80

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Solution

The fourth proportional to 494,338,515.20, 741,507,772.80 and 130,869,612.80 is: 196,304,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,338,515.20 : 741,507,772.80 = 130,869,612.80 : x
  2. Step 2: Convert to fraction form
    494,338,515.20/741,507,772.80 = 130,869,612.80/x
  3. Step 3: Cross multiply
    494,338,515.20x = 741,507,772.80 × 130,869,612.80
  4. Step 4: Simplify right side
    494,338,515.20x = 97,040,835,114,526,368
  5. Step 5: Solve for x
    x = 97,040,835,114,526,368/494,338,515.20
  6. Step 6: Final answer
    x = 196,304,419.20

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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.