Home / 1,770,485,947.13-2,655,856,466.55-679,969,015.13

Finding the Fourth Proportional to 1,770,485,947.13, 2,655,856,466.55 and 679,969,015.13

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Solution

The fourth proportional to 1,770,485,947.13, 2,655,856,466.55 and 679,969,015.13 is: 1,020,002,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,485,947.13 : 2,655,856,466.55 = 679,969,015.13 : x
  2. Step 2: Convert to fraction form
    1,770,485,947.13/2,655,856,466.55 = 679,969,015.13/x
  3. Step 3: Cross multiply
    1,770,485,947.13x = 2,655,856,466.55 × 679,969,015.13
  4. Step 4: Simplify right side
    1,770,485,947.13x = 1,805,900,105,873,366,016
  5. Step 5: Solve for x
    x = 1,805,900,105,873,366,016/1,770,485,947.13
  6. Step 6: Final answer
    x = 1,020,002,507.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.