Home / 252,256,846,660.70-378,386,251,676.08-61,028,577,479.43

Finding the Fourth Proportional to 252,256,846,660.70, 378,386,251,676.08 and 61,028,577,479.43

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Solution

The fourth proportional to 252,256,846,660.70, 378,386,251,676.08 and 61,028,577,479.43 is: 91,543,103,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,256,846,660.70 : 378,386,251,676.08 = 61,028,577,479.43 : x
  2. Step 2: Convert to fraction form
    252,256,846,660.70/378,386,251,676.08 = 61,028,577,479.43/x
  3. Step 3: Cross multiply
    252,256,846,660.70x = 378,386,251,676.08 × 61,028,577,479.43
  4. Step 4: Simplify right side
    252,256,846,660.70x = 23,092,374,677,564,749,250,560
  5. Step 5: Solve for x
    x = 23,092,374,677,564,749,250,560/252,256,846,660.70
  6. Step 6: Final answer
    x = 91,543,103,718.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.