Home / 288,478,117.44-398,055,770.10-162,984,523.68

Finding the Fourth Proportional to 288,478,117.44, 398,055,770.10 and 162,984,523.68

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Solution

The fourth proportional to 288,478,117.44, 398,055,770.10 and 162,984,523.68 is: 224,893,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,478,117.44 : 398,055,770.10 = 162,984,523.68 : x
  2. Step 2: Convert to fraction form
    288,478,117.44/398,055,770.10 = 162,984,523.68/x
  3. Step 3: Cross multiply
    288,478,117.44x = 398,055,770.10 × 162,984,523.68
  4. Step 4: Simplify right side
    288,478,117.44x = 64,876,930,087,824,096
  5. Step 5: Solve for x
    x = 64,876,930,087,824,096/288,478,117.44
  6. Step 6: Final answer
    x = 224,893,765.47

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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.