Home / 79,940,981,734.68-119,912,393,763.51-28,893,155,268.51

Finding the Fourth Proportional to 79,940,981,734.68, 119,912,393,763.51 and 28,893,155,268.51

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Solution

The fourth proportional to 79,940,981,734.68, 119,912,393,763.51 and 28,893,155,268.51 is: 43,340,065,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940,981,734.68 : 119,912,393,763.51 = 28,893,155,268.51 : x
  2. Step 2: Convert to fraction form
    79,940,981,734.68/119,912,393,763.51 = 28,893,155,268.51/x
  3. Step 3: Cross multiply
    79,940,981,734.68x = 119,912,393,763.51 × 28,893,155,268.51
  4. Step 4: Simplify right side
    79,940,981,734.68x = 3,464,647,411,627,804,065,792
  5. Step 5: Solve for x
    x = 3,464,647,411,627,804,065,792/79,940,981,734.68
  6. Step 6: Final answer
    x = 43,340,065,839.16

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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.