Home / 1,396,062,140.74-1,926,565,284.27-769,541,031.43

Finding the Fourth Proportional to 1,396,062,140.74, 1,926,565,284.27 and 769,541,031.43

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Solution

The fourth proportional to 1,396,062,140.74, 1,926,565,284.27 and 769,541,031.43 is: 1,061,966,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,062,140.74 : 1,926,565,284.27 = 769,541,031.43 : x
  2. Step 2: Convert to fraction form
    1,396,062,140.74/1,926,565,284.27 = 769,541,031.43/x
  3. Step 3: Cross multiply
    1,396,062,140.74x = 1,926,565,284.27 × 769,541,031.43
  4. Step 4: Simplify right side
    1,396,062,140.74x = 1,482,571,035,974,366,720
  5. Step 5: Solve for x
    x = 1,482,571,035,974,366,720/1,396,062,140.74
  6. Step 6: Final answer
    x = 1,061,966,364.33

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Double scale
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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.