Home / 1,158,776,008.30-1,738,164,012.45-791,443,989.10

Finding the Fourth Proportional to 1,158,776,008.30, 1,738,164,012.45 and 791,443,989.10

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Solution

The fourth proportional to 1,158,776,008.30, 1,738,164,012.45 and 791,443,989.10 is: 1,187,165,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,776,008.30 : 1,738,164,012.45 = 791,443,989.10 : x
  2. Step 2: Convert to fraction form
    1,158,776,008.30/1,738,164,012.45 = 791,443,989.10/x
  3. Step 3: Cross multiply
    1,158,776,008.30x = 1,738,164,012.45 × 791,443,989.10
  4. Step 4: Simplify right side
    1,158,776,008.30x = 1,375,659,459,723,490,048
  5. Step 5: Solve for x
    x = 1,375,659,459,723,490,048/1,158,776,008.30
  6. Step 6: Final answer
    x = 1,187,165,983.65

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Double scale
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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.