Home / 474,716,080.71-655,099,520.61-263,022,139.20

Finding the Fourth Proportional to 474,716,080.71, 655,099,520.61 and 263,022,139.20

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Solution

The fourth proportional to 474,716,080.71, 655,099,520.61 and 263,022,139.20 is: 362,965,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,716,080.71 : 655,099,520.61 = 263,022,139.20 : x
  2. Step 2: Convert to fraction form
    474,716,080.71/655,099,520.61 = 263,022,139.20/x
  3. Step 3: Cross multiply
    474,716,080.71x = 655,099,520.61 × 263,022,139.20
  4. Step 4: Simplify right side
    474,716,080.71x = 172,305,677,299,736,672
  5. Step 5: Solve for x
    x = 172,305,677,299,736,672/474,716,080.71
  6. Step 6: Final answer
    x = 362,965,747.95

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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.