Home / 297,217,009.40-445,825,514.10-180,990,862.70

Finding the Fourth Proportional to 297,217,009.40, 445,825,514.10 and 180,990,862.70

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Solution

The fourth proportional to 297,217,009.40, 445,825,514.10 and 180,990,862.70 is: 271,486,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,217,009.40 : 445,825,514.10 = 180,990,862.70 : x
  2. Step 2: Convert to fraction form
    297,217,009.40/445,825,514.10 = 180,990,862.70/x
  3. Step 3: Cross multiply
    297,217,009.40x = 445,825,514.10 × 180,990,862.70
  4. Step 4: Simplify right side
    297,217,009.40x = 80,690,344,410,630,016
  5. Step 5: Solve for x
    x = 80,690,344,410,630,016/297,217,009.40
  6. Step 6: Final answer
    x = 271,486,294.05

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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.