Home / 1,251,404,689.35-1,726,940,181.44-679,187,750.55

Finding the Fourth Proportional to 1,251,404,689.35, 1,726,940,181.44 and 679,187,750.55

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Solution

The fourth proportional to 1,251,404,689.35, 1,726,940,181.44 and 679,187,750.55 is: 937,280,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,404,689.35 : 1,726,940,181.44 = 679,187,750.55 : x
  2. Step 2: Convert to fraction form
    1,251,404,689.35/1,726,940,181.44 = 679,187,750.55/x
  3. Step 3: Cross multiply
    1,251,404,689.35x = 1,726,940,181.44 × 679,187,750.55
  4. Step 4: Simplify right side
    1,251,404,689.35x = 1,172,916,617,157,992,960
  5. Step 5: Solve for x
    x = 1,172,916,617,157,992,960/1,251,404,689.35
  6. Step 6: Final answer
    x = 937,280,023.91

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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.