Home / 1,396,062,138.74-1,926,565,281.51-769,541,029.43

Finding the Fourth Proportional to 1,396,062,138.74, 1,926,565,281.51 and 769,541,029.43

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Solution

The fourth proportional to 1,396,062,138.74, 1,926,565,281.51 and 769,541,029.43 is: 1,061,966,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,062,138.74 : 1,926,565,281.51 = 769,541,029.43 : x
  2. Step 2: Convert to fraction form
    1,396,062,138.74/1,926,565,281.51 = 769,541,029.43/x
  3. Step 3: Cross multiply
    1,396,062,138.74x = 1,926,565,281.51 × 769,541,029.43
  4. Step 4: Simplify right side
    1,396,062,138.74x = 1,482,571,029,997,303,040
  5. Step 5: Solve for x
    x = 1,482,571,029,997,303,040/1,396,062,138.74
  6. Step 6: Final answer
    x = 1,061,966,361.57

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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.