Home / 756,142,730.10-1,131,946,613.55-449,276,886.90

Finding the Fourth Proportional to 756,142,730.10, 1,131,946,613.55 and 449,276,886.90

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Solution

The fourth proportional to 756,142,730.10, 1,131,946,613.55 and 449,276,886.90 is: 672,568,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,142,730.10 : 1,131,946,613.55 = 449,276,886.90 : x
  2. Step 2: Convert to fraction form
    756,142,730.10/1,131,946,613.55 = 449,276,886.90/x
  3. Step 3: Cross multiply
    756,142,730.10x = 1,131,946,613.55 × 449,276,886.90
  4. Step 4: Simplify right side
    756,142,730.10x = 508,557,450,672,741,312
  5. Step 5: Solve for x
    x = 508,557,450,672,741,312/756,142,730.10
  6. Step 6: Final answer
    x = 672,568,062.12

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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.