Home / 2,215,527,146.58-3,057,500,387.21-1,211,921,747.03

Finding the Fourth Proportional to 2,215,527,146.58, 3,057,500,387.21 and 1,211,921,747.03

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Solution

The fourth proportional to 2,215,527,146.58, 3,057,500,387.21 and 1,211,921,747.03 is: 1,672,491,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,527,146.58 : 3,057,500,387.21 = 1,211,921,747.03 : x
  2. Step 2: Convert to fraction form
    2,215,527,146.58/3,057,500,387.21 = 1,211,921,747.03/x
  3. Step 3: Cross multiply
    2,215,527,146.58x = 3,057,500,387.21 × 1,211,921,747.03
  4. Step 4: Simplify right side
    2,215,527,146.58x = 3,705,451,210,791,097,856
  5. Step 5: Solve for x
    x = 3,705,451,210,791,097,856/2,215,527,146.58
  6. Step 6: Final answer
    x = 1,672,491,901.76

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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.