Home / 494,869,512.30-742,304,268.45-149,840,300.40

Finding the Fourth Proportional to 494,869,512.30, 742,304,268.45 and 149,840,300.40

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Solution

The fourth proportional to 494,869,512.30, 742,304,268.45 and 149,840,300.40 is: 224,760,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,869,512.30 : 742,304,268.45 = 149,840,300.40 : x
  2. Step 2: Convert to fraction form
    494,869,512.30/742,304,268.45 = 149,840,300.40/x
  3. Step 3: Cross multiply
    494,869,512.30x = 742,304,268.45 × 149,840,300.40
  4. Step 4: Simplify right side
    494,869,512.30x = 111,227,094,572,750,256
  5. Step 5: Solve for x
    x = 111,227,094,572,750,256/494,869,512.30
  6. Step 6: Final answer
    x = 224,760,450.60

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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.