Home / 279,128,288,025.67-385,191,805,684.53-170,733,422,769.43

Finding the Fourth Proportional to 279,128,288,025.67, 385,191,805,684.53 and 170,733,422,769.43

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Solution

The fourth proportional to 279,128,288,025.67, 385,191,805,684.53 and 170,733,422,769.43 is: 235,608,923,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,128,288,025.67 : 385,191,805,684.53 = 170,733,422,769.43 : x
  2. Step 2: Convert to fraction form
    279,128,288,025.67/385,191,805,684.53 = 170,733,422,769.43/x
  3. Step 3: Cross multiply
    279,128,288,025.67x = 385,191,805,684.53 × 170,733,422,769.43
  4. Step 4: Simplify right side
    279,128,288,025.67x = 65,765,115,407,256,992,612,352
  5. Step 5: Solve for x
    x = 65,765,115,407,256,992,612,352/279,128,288,025.67
  6. Step 6: Final answer
    x = 235,608,923,310.59

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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.