Home / 538,066,863.20-807,100,294.80-265,969,071.20

Finding the Fourth Proportional to 538,066,863.20, 807,100,294.80 and 265,969,071.20

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Solution

The fourth proportional to 538,066,863.20, 807,100,294.80 and 265,969,071.20 is: 398,953,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,066,863.20 : 807,100,294.80 = 265,969,071.20 : x
  2. Step 2: Convert to fraction form
    538,066,863.20/807,100,294.80 = 265,969,071.20/x
  3. Step 3: Cross multiply
    538,066,863.20x = 807,100,294.80 × 265,969,071.20
  4. Step 4: Simplify right side
    538,066,863.20x = 214,663,715,773,202,176
  5. Step 5: Solve for x
    x = 214,663,715,773,202,176/538,066,863.20
  6. Step 6: Final answer
    x = 398,953,606.80

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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.