Home / 658,609,611.19-986,597,274.16-396,149,246.57

Finding the Fourth Proportional to 658,609,611.19, 986,597,274.16 and 396,149,246.57

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Solution

The fourth proportional to 658,609,611.19, 986,597,274.16 and 396,149,246.57 is: 593,431,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,609,611.19 : 986,597,274.16 = 396,149,246.57 : x
  2. Step 2: Convert to fraction form
    658,609,611.19/986,597,274.16 = 396,149,246.57/x
  3. Step 3: Cross multiply
    658,609,611.19x = 986,597,274.16 × 396,149,246.57
  4. Step 4: Simplify right side
    658,609,611.19x = 390,839,766,829,461,376
  5. Step 5: Solve for x
    x = 390,839,766,829,461,376/658,609,611.19
  6. Step 6: Final answer
    x = 593,431,617.44

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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.