Home / 391,604,690.10-587,473,957.34-161,447,959.38

Finding the Fourth Proportional to 391,604,690.10, 587,473,957.34 and 161,447,959.38

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Solution

The fourth proportional to 391,604,690.10, 587,473,957.34 and 161,447,959.38 is: 242,199,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,604,690.10 : 587,473,957.34 = 161,447,959.38 : x
  2. Step 2: Convert to fraction form
    391,604,690.10/587,473,957.34 = 161,447,959.38/x
  3. Step 3: Cross multiply
    391,604,690.10x = 587,473,957.34 × 161,447,959.38
  4. Step 4: Simplify right side
    391,604,690.10x = 94,846,471,601,436,176
  5. Step 5: Solve for x
    x = 94,846,471,601,436,176/391,604,690.10
  6. Step 6: Final answer
    x = 242,199,529.27

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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.