Home / 431,796,317.10-647,694,475.65-354,312,219.30

Finding the Fourth Proportional to 431,796,317.10, 647,694,475.65 and 354,312,219.30

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Solution

The fourth proportional to 431,796,317.10, 647,694,475.65 and 354,312,219.30 is: 531,468,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,796,317.10 : 647,694,475.65 = 354,312,219.30 : x
  2. Step 2: Convert to fraction form
    431,796,317.10/647,694,475.65 = 354,312,219.30/x
  3. Step 3: Cross multiply
    431,796,317.10x = 647,694,475.65 × 354,312,219.30
  4. Step 4: Simplify right side
    431,796,317.10x = 229,486,067,095,901,312
  5. Step 5: Solve for x
    x = 229,486,067,095,901,312/431,796,317.10
  6. Step 6: Final answer
    x = 531,468,328.95

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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.