Home / 2,690,957,467.20-4,036,436,200.80-1,965,363,355.20

Finding the Fourth Proportional to 2,690,957,467.20, 4,036,436,200.80 and 1,965,363,355.20

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Solution

The fourth proportional to 2,690,957,467.20, 4,036,436,200.80 and 1,965,363,355.20 is: 2,948,045,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,957,467.20 : 4,036,436,200.80 = 1,965,363,355.20 : x
  2. Step 2: Convert to fraction form
    2,690,957,467.20/4,036,436,200.80 = 1,965,363,355.20/x
  3. Step 3: Cross multiply
    2,690,957,467.20x = 4,036,436,200.80 × 1,965,363,355.20
  4. Step 4: Simplify right side
    2,690,957,467.20x = 7,933,063,794,655,029,248
  5. Step 5: Solve for x
    x = 7,933,063,794,655,029,248/2,690,957,467.20
  6. Step 6: Final answer
    x = 2,948,045,032.80

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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.