Home / 1,581,132,431.05-2,181,962,961.67-876,329,914.82

Finding the Fourth Proportional to 1,581,132,431.05, 2,181,962,961.67 and 876,329,914.82

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Solution

The fourth proportional to 1,581,132,431.05, 2,181,962,961.67 and 876,329,914.82 is: 1,209,335,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,132,431.05 : 2,181,962,961.67 = 876,329,914.82 : x
  2. Step 2: Convert to fraction form
    1,581,132,431.05/2,181,962,961.67 = 876,329,914.82/x
  3. Step 3: Cross multiply
    1,581,132,431.05x = 2,181,962,961.67 × 876,329,914.82
  4. Step 4: Simplify right side
    1,581,132,431.05x = 1,912,119,416,327,565,568
  5. Step 5: Solve for x
    x = 1,912,119,416,327,565,568/1,581,132,431.05
  6. Step 6: Final answer
    x = 1,209,335,397.07

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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.