Home / 1,273,244,374.50-1,909,866,458.07-353,120,701.38

Finding the Fourth Proportional to 1,273,244,374.50, 1,909,866,458.07 and 353,120,701.38

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Solution

The fourth proportional to 1,273,244,374.50, 1,909,866,458.07 and 353,120,701.38 is: 529,681,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,244,374.50 : 1,909,866,458.07 = 353,120,701.38 : x
  2. Step 2: Convert to fraction form
    1,273,244,374.50/1,909,866,458.07 = 353,120,701.38/x
  3. Step 3: Cross multiply
    1,273,244,374.50x = 1,909,866,458.07 × 353,120,701.38
  4. Step 4: Simplify right side
    1,273,244,374.50x = 674,413,383,215,814,784
  5. Step 5: Solve for x
    x = 674,413,383,215,814,784/1,273,244,374.50
  6. Step 6: Final answer
    x = 529,681,023.32

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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.