Home / 1,117,491,372.92-1,542,185,669.76-622,454,300.12

Finding the Fourth Proportional to 1,117,491,372.92, 1,542,185,669.76 and 622,454,300.12

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Solution

The fourth proportional to 1,117,491,372.92, 1,542,185,669.76 and 622,454,300.12 is: 859,013,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,491,372.92 : 1,542,185,669.76 = 622,454,300.12 : x
  2. Step 2: Convert to fraction form
    1,117,491,372.92/1,542,185,669.76 = 622,454,300.12/x
  3. Step 3: Cross multiply
    1,117,491,372.92x = 1,542,185,669.76 × 622,454,300.12
  4. Step 4: Simplify right side
    1,117,491,372.92x = 959,940,101,727,044,352
  5. Step 5: Solve for x
    x = 959,940,101,727,044,352/1,117,491,372.92
  6. Step 6: Final answer
    x = 859,013,434.01

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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.