Home / 1,288,887,906,930.70-1,778,667,075,517.50-702,939,169,182.86

Finding the Fourth Proportional to 1,288,887,906,930.70, 1,778,667,075,517.50 and 702,939,169,182.86

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Solution

The fourth proportional to 1,288,887,906,930.70, 1,778,667,075,517.50 and 702,939,169,182.86 is: 970,057,015,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,887,906,930.70 : 1,778,667,075,517.50 = 702,939,169,182.86 : x
  2. Step 2: Convert to fraction form
    1,288,887,906,930.70/1,778,667,075,517.50 = 702,939,169,182.86/x
  3. Step 3: Cross multiply
    1,288,887,906,930.70x = 1,778,667,075,517.50 × 702,939,169,182.86
  4. Step 4: Simplify right side
    1,288,887,906,930.70x = 1,250,294,756,317,178,766,557,184
  5. Step 5: Solve for x
    x = 1,250,294,756,317,178,766,557,184/1,288,887,906,930.70
  6. Step 6: Final answer
    x = 970,057,015,504.61

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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.