Home / 1,396,062,111.11-1,926,565,243.70-769,541,001.80

Finding the Fourth Proportional to 1,396,062,111.11, 1,926,565,243.70 and 769,541,001.80

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Solution

The fourth proportional to 1,396,062,111.11, 1,926,565,243.70 and 769,541,001.80 is: 1,061,966,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,062,111.11 : 1,926,565,243.70 = 769,541,001.80 : x
  2. Step 2: Convert to fraction form
    1,396,062,111.11/1,926,565,243.70 = 769,541,001.80/x
  3. Step 3: Cross multiply
    1,396,062,111.11x = 1,926,565,243.70 × 769,541,001.80
  4. Step 4: Simplify right side
    1,396,062,111.11x = 1,482,570,947,656,478,464
  5. Step 5: Solve for x
    x = 1,482,570,947,656,478,464/1,396,062,111.11
  6. Step 6: Final answer
    x = 1,061,966,323.61

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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.