Home / 1,396,062,141.74-1,926,565,285.65-769,541,032.43

Finding the Fourth Proportional to 1,396,062,141.74, 1,926,565,285.65 and 769,541,032.43

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Solution

The fourth proportional to 1,396,062,141.74, 1,926,565,285.65 and 769,541,032.43 is: 1,061,966,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,062,141.74 : 1,926,565,285.65 = 769,541,032.43 : x
  2. Step 2: Convert to fraction form
    1,396,062,141.74/1,926,565,285.65 = 769,541,032.43/x
  3. Step 3: Cross multiply
    1,396,062,141.74x = 1,926,565,285.65 × 769,541,032.43
  4. Step 4: Simplify right side
    1,396,062,141.74x = 1,482,571,038,962,898,944
  5. Step 5: Solve for x
    x = 1,482,571,038,962,898,944/1,396,062,141.74
  6. Step 6: Final answer
    x = 1,061,966,365.71

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Double scale
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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.