Home / 1,103,725,523.49-1,522,879,422.56-627,378,397.61

Finding the Fourth Proportional to 1,103,725,523.49, 1,522,879,422.56 and 627,378,397.61

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Solution

The fourth proportional to 1,103,725,523.49, 1,522,879,422.56 and 627,378,397.61 is: 865,633,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,725,523.49 : 1,522,879,422.56 = 627,378,397.61 : x
  2. Step 2: Convert to fraction form
    1,103,725,523.49/1,522,879,422.56 = 627,378,397.61/x
  3. Step 3: Cross multiply
    1,103,725,523.49x = 1,522,879,422.56 × 627,378,397.61
  4. Step 4: Simplify right side
    1,103,725,523.49x = 955,421,651,868,183,680
  5. Step 5: Solve for x
    x = 955,421,651,868,183,680/1,103,725,523.49
  6. Step 6: Final answer
    x = 865,633,376.72

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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.