Home / 597,989,680.20-896,984,520.30-391,365,419.40

Finding the Fourth Proportional to 597,989,680.20, 896,984,520.30 and 391,365,419.40

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Solution

The fourth proportional to 597,989,680.20, 896,984,520.30 and 391,365,419.40 is: 587,048,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,989,680.20 : 896,984,520.30 = 391,365,419.40 : x
  2. Step 2: Convert to fraction form
    597,989,680.20/896,984,520.30 = 391,365,419.40/x
  3. Step 3: Cross multiply
    597,989,680.20x = 896,984,520.30 × 391,365,419.40
  4. Step 4: Simplify right side
    597,989,680.20x = 351,048,722,982,517,248
  5. Step 5: Solve for x
    x = 351,048,722,982,517,248/597,989,680.20
  6. Step 6: Final answer
    x = 587,048,129.10

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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.