Home / 1,251,404,690.17-1,726,940,182.56-679,187,751.36

Finding the Fourth Proportional to 1,251,404,690.17, 1,726,940,182.56 and 679,187,751.36

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Solution

The fourth proportional to 1,251,404,690.17, 1,726,940,182.56 and 679,187,751.36 is: 937,280,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,404,690.17 : 1,726,940,182.56 = 679,187,751.36 : x
  2. Step 2: Convert to fraction form
    1,251,404,690.17/1,726,940,182.56 = 679,187,751.36/x
  3. Step 3: Cross multiply
    1,251,404,690.17x = 1,726,940,182.56 × 679,187,751.36
  4. Step 4: Simplify right side
    1,251,404,690.17x = 1,172,916,619,326,154,240
  5. Step 5: Solve for x
    x = 1,172,916,619,326,154,240/1,251,404,690.17
  6. Step 6: Final answer
    x = 937,280,025.03

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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.