Home / 1,368,105,595.12-1,887,935,141.24-741,560,570.96

Finding the Fourth Proportional to 1,368,105,595.12, 1,887,935,141.24 and 741,560,570.96

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Solution

The fourth proportional to 1,368,105,595.12, 1,887,935,141.24 and 741,560,570.96 is: 1,023,326,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,105,595.12 : 1,887,935,141.24 = 741,560,570.96 : x
  2. Step 2: Convert to fraction form
    1,368,105,595.12/1,887,935,141.24 = 741,560,570.96/x
  3. Step 3: Cross multiply
    1,368,105,595.12x = 1,887,935,141.24 × 741,560,570.96
  4. Step 4: Simplify right side
    1,368,105,595.12x = 1,400,018,261,273,382,656
  5. Step 5: Solve for x
    x = 1,400,018,261,273,382,656/1,368,105,595.12
  6. Step 6: Final answer
    x = 1,023,326,171.80

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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.