Home / 31,452,864,467.28-47,179,473,072.96-10,491,239,761.56

Finding the Fourth Proportional to 31,452,864,467.28, 47,179,473,072.96 and 10,491,239,761.56

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Solution

The fourth proportional to 31,452,864,467.28, 47,179,473,072.96 and 10,491,239,761.56 is: 15,736,918,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452,864,467.28 : 47,179,473,072.96 = 10,491,239,761.56 : x
  2. Step 2: Convert to fraction form
    31,452,864,467.28/47,179,473,072.96 = 10,491,239,761.56/x
  3. Step 3: Cross multiply
    31,452,864,467.28x = 47,179,473,072.96 × 10,491,239,761.56
  4. Step 4: Simplify right side
    31,452,864,467.28x = 494,971,163,832,487,247,872
  5. Step 5: Solve for x
    x = 494,971,163,832,487,247,872/31,452,864,467.28
  6. Step 6: Final answer
    x = 15,736,918,472.00

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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.