Home / 658,645,441.60-987,862,146.64-192,197,348.56

Finding the Fourth Proportional to 658,645,441.60, 987,862,146.64 and 192,197,348.56

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Solution

The fourth proportional to 658,645,441.60, 987,862,146.64 and 192,197,348.56 is: 288,265,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,645,441.60 : 987,862,146.64 = 192,197,348.56 : x
  2. Step 2: Convert to fraction form
    658,645,441.60/987,862,146.64 = 192,197,348.56/x
  3. Step 3: Cross multiply
    658,645,441.60x = 987,862,146.64 × 192,197,348.56
  4. Step 4: Simplify right side
    658,645,441.60x = 189,864,485,326,997,920
  5. Step 5: Solve for x
    x = 189,864,485,326,997,920/658,645,441.60
  6. Step 6: Final answer
    x = 288,265,086.70

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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.