Home / 431,796,455.10-647,694,682.65-354,312,357.30

Finding the Fourth Proportional to 431,796,455.10, 647,694,682.65 and 354,312,357.30

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Solution

The fourth proportional to 431,796,455.10, 647,694,682.65 and 354,312,357.30 is: 531,468,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,796,455.10 : 647,694,682.65 = 354,312,357.30 : x
  2. Step 2: Convert to fraction form
    431,796,455.10/647,694,682.65 = 354,312,357.30/x
  3. Step 3: Cross multiply
    431,796,455.10x = 647,694,682.65 × 354,312,357.30
  4. Step 4: Simplify right side
    431,796,455.10x = 229,486,229,820,396,896
  5. Step 5: Solve for x
    x = 229,486,229,820,396,896/431,796,455.10
  6. Step 6: Final answer
    x = 531,468,535.95

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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.