Home / 443,082,002.40-665,221,366.80-259,038,079.20

Finding the Fourth Proportional to 443,082,002.40, 665,221,366.80 and 259,038,079.20

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Solution

The fourth proportional to 443,082,002.40, 665,221,366.80 and 259,038,079.20 is: 388,906,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,082,002.40 : 665,221,366.80 = 259,038,079.20 : x
  2. Step 2: Convert to fraction form
    443,082,002.40/665,221,366.80 = 259,038,079.20/x
  3. Step 3: Cross multiply
    443,082,002.40x = 665,221,366.80 × 259,038,079.20
  4. Step 4: Simplify right side
    443,082,002.40x = 172,317,665,098,670,624
  5. Step 5: Solve for x
    x = 172,317,665,098,670,624/443,082,002.40
  6. Step 6: Final answer
    x = 388,906,938.59

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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.