Home / 1,129,397,264.70-1,558,753,144.29-940,926,697.98

Finding the Fourth Proportional to 1,129,397,264.70, 1,558,753,144.29 and 940,926,697.98

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Solution

The fourth proportional to 1,129,397,264.70, 1,558,753,144.29 and 940,926,697.98 is: 1,298,632,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,397,264.70 : 1,558,753,144.29 = 940,926,697.98 : x
  2. Step 2: Convert to fraction form
    1,129,397,264.70/1,558,753,144.29 = 940,926,697.98/x
  3. Step 3: Cross multiply
    1,129,397,264.70x = 1,558,753,144.29 × 940,926,697.98
  4. Step 4: Simplify right side
    1,129,397,264.70x = 1,466,672,449,022,732,288
  5. Step 5: Solve for x
    x = 1,466,672,449,022,732,288/1,129,397,264.70
  6. Step 6: Final answer
    x = 1,298,632,903.46

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Double scale
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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.