Home / 471,920,251.42-707,882,616.24-144,395,242.12

Finding the Fourth Proportional to 471,920,251.42, 707,882,616.24 and 144,395,242.12

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Solution

The fourth proportional to 471,920,251.42, 707,882,616.24 and 144,395,242.12 is: 216,593,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,920,251.42 : 707,882,616.24 = 144,395,242.12 : x
  2. Step 2: Convert to fraction form
    471,920,251.42/707,882,616.24 = 144,395,242.12/x
  3. Step 3: Cross multiply
    471,920,251.42x = 707,882,616.24 × 144,395,242.12
  4. Step 4: Simplify right side
    471,920,251.42x = 102,214,881,764,513,856
  5. Step 5: Solve for x
    x = 102,214,881,764,513,856/471,920,251.42
  6. Step 6: Final answer
    x = 216,593,548.29

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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.