Home / 347,082,915.42-520,350,440.49-172,085,290.38

Finding the Fourth Proportional to 347,082,915.42, 520,350,440.49 and 172,085,290.38

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Solution

The fourth proportional to 347,082,915.42, 520,350,440.49 and 172,085,290.38 is: 257,992,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,082,915.42 : 520,350,440.49 = 172,085,290.38 : x
  2. Step 2: Convert to fraction form
    347,082,915.42/520,350,440.49 = 172,085,290.38/x
  3. Step 3: Cross multiply
    347,082,915.42x = 520,350,440.49 × 172,085,290.38
  4. Step 4: Simplify right side
    347,082,915.42x = 89,544,656,651,082,560
  5. Step 5: Solve for x
    x = 89,544,656,651,082,560/347,082,915.42
  6. Step 6: Final answer
    x = 257,992,118.52

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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.