Home / 2,279,225,744.12-3,145,429,827.69-1,261,951,162.41

Finding the Fourth Proportional to 2,279,225,744.12, 3,145,429,827.69 and 1,261,951,162.41

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Solution

The fourth proportional to 2,279,225,744.12, 3,145,429,827.69 and 1,261,951,162.41 is: 1,741,547,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,225,744.12 : 3,145,429,827.69 = 1,261,951,162.41 : x
  2. Step 2: Convert to fraction form
    2,279,225,744.12/3,145,429,827.69 = 1,261,951,162.41/x
  3. Step 3: Cross multiply
    2,279,225,744.12x = 3,145,429,827.69 × 1,261,951,162.41
  4. Step 4: Simplify right side
    2,279,225,744.12x = 3,969,378,827,346,391,552
  5. Step 5: Solve for x
    x = 3,969,378,827,346,391,552/2,279,225,744.12
  6. Step 6: Final answer
    x = 1,741,547,030.87

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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.