Home / 756,142,753.10-1,131,946,648.05-449,276,909.90

Finding the Fourth Proportional to 756,142,753.10, 1,131,946,648.05 and 449,276,909.90

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Solution

The fourth proportional to 756,142,753.10, 1,131,946,648.05 and 449,276,909.90 is: 672,568,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,142,753.10 : 1,131,946,648.05 = 449,276,909.90 : x
  2. Step 2: Convert to fraction form
    756,142,753.10/1,131,946,648.05 = 449,276,909.90/x
  3. Step 3: Cross multiply
    756,142,753.10x = 1,131,946,648.05 × 449,276,909.90
  4. Step 4: Simplify right side
    756,142,753.10x = 508,557,492,207,566,784
  5. Step 5: Solve for x
    x = 508,557,492,207,566,784/756,142,753.10
  6. Step 6: Final answer
    x = 672,568,096.60

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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.