Home / 768,781,005,672.68-1,152,364,275,565.20-258,662,673,182.97

Finding the Fourth Proportional to 768,781,005,672.68, 1,152,364,275,565.20 and 258,662,673,182.97

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Solution

The fourth proportional to 768,781,005,672.68, 1,152,364,275,565.20 and 258,662,673,182.97 is: 387,722,409,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,781,005,672.68 : 1,152,364,275,565.20 = 258,662,673,182.97 : x
  2. Step 2: Convert to fraction form
    768,781,005,672.68/1,152,364,275,565.20 = 258,662,673,182.97/x
  3. Step 3: Cross multiply
    768,781,005,672.68x = 1,152,364,275,565.20 × 258,662,673,182.97
  4. Step 4: Simplify right side
    768,781,005,672.68x = 298,073,623,998,251,283,775,488
  5. Step 5: Solve for x
    x = 298,073,623,998,251,283,775,488/768,781,005,672.68
  6. Step 6: Final answer
    x = 387,722,409,631.39

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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.