Home / 494,869,510.80-742,304,266.20-149,840,298.90

Finding the Fourth Proportional to 494,869,510.80, 742,304,266.20 and 149,840,298.90

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Solution

The fourth proportional to 494,869,510.80, 742,304,266.20 and 149,840,298.90 is: 224,760,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,869,510.80 : 742,304,266.20 = 149,840,298.90 : x
  2. Step 2: Convert to fraction form
    494,869,510.80/742,304,266.20 = 149,840,298.90/x
  3. Step 3: Cross multiply
    494,869,510.80x = 742,304,266.20 × 149,840,298.90
  4. Step 4: Simplify right side
    494,869,510.80x = 111,227,093,122,153,184
  5. Step 5: Solve for x
    x = 111,227,093,122,153,184/494,869,510.80
  6. Step 6: Final answer
    x = 224,760,448.35

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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.