Home / 809,317,505.26-1,213,979,407.17-195,900,746.86

Finding the Fourth Proportional to 809,317,505.26, 1,213,979,407.17 and 195,900,746.86

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Solution

The fourth proportional to 809,317,505.26, 1,213,979,407.17 and 195,900,746.86 is: 293,851,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,317,505.26 : 1,213,979,407.17 = 195,900,746.86 : x
  2. Step 2: Convert to fraction form
    809,317,505.26/1,213,979,407.17 = 195,900,746.86/x
  3. Step 3: Cross multiply
    809,317,505.26x = 1,213,979,407.17 × 195,900,746.86
  4. Step 4: Simplify right side
    809,317,505.26x = 237,819,472,537,263,072
  5. Step 5: Solve for x
    x = 237,819,472,537,263,072/809,317,505.26
  6. Step 6: Final answer
    x = 293,851,882.59

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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.