Home / 329,341,304.88-494,015,819.40-99,312,398.64

Finding the Fourth Proportional to 329,341,304.88, 494,015,819.40 and 99,312,398.64

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Solution

The fourth proportional to 329,341,304.88, 494,015,819.40 and 99,312,398.64 is: 148,969,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,341,304.88 : 494,015,819.40 = 99,312,398.64 : x
  2. Step 2: Convert to fraction form
    329,341,304.88/494,015,819.40 = 99,312,398.64/x
  3. Step 3: Cross multiply
    329,341,304.88x = 494,015,819.40 × 99,312,398.64
  4. Step 4: Simplify right side
    329,341,304.88x = 49,061,895,990,719,040
  5. Step 5: Solve for x
    x = 49,061,895,990,719,040/329,341,304.88
  6. Step 6: Final answer
    x = 148,969,762.56

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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.