Home / 1,385,320,766.50-1,911,932,861.10-849,377,652.04

Finding the Fourth Proportional to 1,385,320,766.50, 1,911,932,861.10 and 849,377,652.04

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Solution

The fourth proportional to 1,385,320,766.50, 1,911,932,861.10 and 849,377,652.04 is: 1,172,257,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,320,766.50 : 1,911,932,861.10 = 849,377,652.04 : x
  2. Step 2: Convert to fraction form
    1,385,320,766.50/1,911,932,861.10 = 849,377,652.04/x
  3. Step 3: Cross multiply
    1,385,320,766.50x = 1,911,932,861.10 × 849,377,652.04
  4. Step 4: Simplify right side
    1,385,320,766.50x = 1,623,953,044,419,237,376
  5. Step 5: Solve for x
    x = 1,623,953,044,419,237,376/1,385,320,766.50
  6. Step 6: Final answer
    x = 1,172,257,778.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.