Home / 2,112,399,385.68-2,915,414,296.56-1,265,660,147.28

Finding the Fourth Proportional to 2,112,399,385.68, 2,915,414,296.56 and 1,265,660,147.28

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Solution

The fourth proportional to 2,112,399,385.68, 2,915,414,296.56 and 1,265,660,147.28 is: 1,746,792,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,399,385.68 : 2,915,414,296.56 = 1,265,660,147.28 : x
  2. Step 2: Convert to fraction form
    2,112,399,385.68/2,915,414,296.56 = 1,265,660,147.28/x
  3. Step 3: Cross multiply
    2,112,399,385.68x = 2,915,414,296.56 × 1,265,660,147.28
  4. Step 4: Simplify right side
    2,112,399,385.68x = 3,689,923,687,966,347,264
  5. Step 5: Solve for x
    x = 3,689,923,687,966,347,264/2,112,399,385.68
  6. Step 6: Final answer
    x = 1,746,792,634.47

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1.5x scale

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.