Home / 1,826,916,578.28-2,521,147,372.74-991,541,160.36

Finding the Fourth Proportional to 1,826,916,578.28, 2,521,147,372.74 and 991,541,160.36

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Solution

The fourth proportional to 1,826,916,578.28, 2,521,147,372.74 and 991,541,160.36 is: 1,368,328,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,916,578.28 : 2,521,147,372.74 = 991,541,160.36 : x
  2. Step 2: Convert to fraction form
    1,826,916,578.28/2,521,147,372.74 = 991,541,160.36/x
  3. Step 3: Cross multiply
    1,826,916,578.28x = 2,521,147,372.74 × 991,541,160.36
  4. Step 4: Simplify right side
    1,826,916,578.28x = 2,499,821,391,405,185,024
  5. Step 5: Solve for x
    x = 2,499,821,391,405,185,024/1,826,916,578.28
  6. Step 6: Final answer
    x = 1,368,328,155.28

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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.