Home / 276,520,918,198.50-381,660,256,005.48-168,110,979,765.66

Finding the Fourth Proportional to 276,520,918,198.50, 381,660,256,005.48 and 168,110,979,765.66

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Solution

The fourth proportional to 276,520,918,198.50, 381,660,256,005.48 and 168,110,979,765.66 is: 232,030,473,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,520,918,198.50 : 381,660,256,005.48 = 168,110,979,765.66 : x
  2. Step 2: Convert to fraction form
    276,520,918,198.50/381,660,256,005.48 = 168,110,979,765.66/x
  3. Step 3: Cross multiply
    276,520,918,198.50x = 381,660,256,005.48 × 168,110,979,765.66
  4. Step 4: Simplify right side
    276,520,918,198.50x = 64,161,279,574,693,858,246,656
  5. Step 5: Solve for x
    x = 64,161,279,574,693,858,246,656/276,520,918,198.50
  6. Step 6: Final answer
    x = 232,030,473,472.66

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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.