Home / 1,619,023,969.40-2,234,253,825.20-876,468,032.12

Finding the Fourth Proportional to 1,619,023,969.40, 2,234,253,825.20 and 876,468,032.12

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Solution

The fourth proportional to 1,619,023,969.40, 2,234,253,825.20 and 876,468,032.12 is: 1,209,526,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,023,969.40 : 2,234,253,825.20 = 876,468,032.12 : x
  2. Step 2: Convert to fraction form
    1,619,023,969.40/2,234,253,825.20 = 876,468,032.12/x
  3. Step 3: Cross multiply
    1,619,023,969.40x = 2,234,253,825.20 × 876,468,032.12
  4. Step 4: Simplify right side
    1,619,023,969.40x = 1,958,252,053,429,626,368
  5. Step 5: Solve for x
    x = 1,958,252,053,429,626,368/1,619,023,969.40
  6. Step 6: Final answer
    x = 1,209,526,288.95

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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.