Home / 1,131,155,377.16-1,561,210,540.24-749,003,375.87

Finding the Fourth Proportional to 1,131,155,377.16, 1,561,210,540.24 and 749,003,375.87

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Solution

The fourth proportional to 1,131,155,377.16, 1,561,210,540.24 and 749,003,375.87 is: 1,033,767,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,155,377.16 : 1,561,210,540.24 = 749,003,375.87 : x
  2. Step 2: Convert to fraction form
    1,131,155,377.16/1,561,210,540.24 = 749,003,375.87/x
  3. Step 3: Cross multiply
    1,131,155,377.16x = 1,561,210,540.24 × 749,003,375.87
  4. Step 4: Simplify right side
    1,131,155,377.16x = 1,169,351,965,079,655,424
  5. Step 5: Solve for x
    x = 1,169,351,965,079,655,424/1,131,155,377.16
  6. Step 6: Final answer
    x = 1,033,767,764.09

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1.5x scale

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.