Home / 431,796,200.10-647,694,300.15-354,312,102.30

Finding the Fourth Proportional to 431,796,200.10, 647,694,300.15 and 354,312,102.30

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Solution

The fourth proportional to 431,796,200.10, 647,694,300.15 and 354,312,102.30 is: 531,468,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,796,200.10 : 647,694,300.15 = 354,312,102.30 : x
  2. Step 2: Convert to fraction form
    431,796,200.10/647,694,300.15 = 354,312,102.30/x
  3. Step 3: Cross multiply
    431,796,200.10x = 647,694,300.15 × 354,312,102.30
  4. Step 4: Simplify right side
    431,796,200.10x = 229,485,929,133,873,696
  5. Step 5: Solve for x
    x = 229,485,929,133,873,696/431,796,200.10
  6. Step 6: Final answer
    x = 531,468,153.45

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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.