Home / 1,273,244,367.50-1,909,866,447.57-353,120,694.38

Finding the Fourth Proportional to 1,273,244,367.50, 1,909,866,447.57 and 353,120,694.38

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Solution

The fourth proportional to 1,273,244,367.50, 1,909,866,447.57 and 353,120,694.38 is: 529,681,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,244,367.50 : 1,909,866,447.57 = 353,120,694.38 : x
  2. Step 2: Convert to fraction form
    1,273,244,367.50/1,909,866,447.57 = 353,120,694.38/x
  3. Step 3: Cross multiply
    1,273,244,367.50x = 1,909,866,447.57 × 353,120,694.38
  4. Step 4: Simplify right side
    1,273,244,367.50x = 674,413,366,138,982,272
  5. Step 5: Solve for x
    x = 674,413,366,138,982,272/1,273,244,367.50
  6. Step 6: Final answer
    x = 529,681,012.82

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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.