Home / 431,796,240.10-647,694,360.15-354,312,142.30

Finding the Fourth Proportional to 431,796,240.10, 647,694,360.15 and 354,312,142.30

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Solution

The fourth proportional to 431,796,240.10, 647,694,360.15 and 354,312,142.30 is: 531,468,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,796,240.10 : 647,694,360.15 = 354,312,142.30 : x
  2. Step 2: Convert to fraction form
    431,796,240.10/647,694,360.15 = 354,312,142.30/x
  3. Step 3: Cross multiply
    431,796,240.10x = 647,694,360.15 × 354,312,142.30
  4. Step 4: Simplify right side
    431,796,240.10x = 229,485,976,300,374,240
  5. Step 5: Solve for x
    x = 229,485,976,300,374,240/431,796,240.10
  6. Step 6: Final answer
    x = 531,468,213.45

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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.