Home / 1,106,643,667.92-1,527,872,589-689,568,680.40

Finding the Fourth Proportional to 1,106,643,667.92, 1,527,872,589 and 689,568,680.40

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Solution

The fourth proportional to 1,106,643,667.92, 1,527,872,589 and 689,568,680.40 is: 952,043,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,643,667.92 : 1,527,872,589 = 689,568,680.40 : x
  2. Step 2: Convert to fraction form
    1,106,643,667.92/1,527,872,589 = 689,568,680.40/x
  3. Step 3: Cross multiply
    1,106,643,667.92x = 1,527,872,589 × 689,568,680.40
  4. Step 4: Simplify right side
    1,106,643,667.92x = 1,053,573,085,016,061,568
  5. Step 5: Solve for x
    x = 1,053,573,085,016,061,568/1,106,643,667.92
  6. Step 6: Final answer
    x = 952,043,657.37

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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.