Home / 649,517,357.20-895,466,819.10-515,998,295.32

Finding the Fourth Proportional to 649,517,357.20, 895,466,819.10 and 515,998,295.32

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Solution

The fourth proportional to 649,517,357.20, 895,466,819.10 and 515,998,295.32 is: 711,388,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,517,357.20 : 895,466,819.10 = 515,998,295.32 : x
  2. Step 2: Convert to fraction form
    649,517,357.20/895,466,819.10 = 515,998,295.32/x
  3. Step 3: Cross multiply
    649,517,357.20x = 895,466,819.10 × 515,998,295.32
  4. Step 4: Simplify right side
    649,517,357.20x = 462,059,352,171,222,848
  5. Step 5: Solve for x
    x = 462,059,352,171,222,848/649,517,357.20
  6. Step 6: Final answer
    x = 711,388,767.44

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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.