Home / 819,735,865.30-1,229,602,834.31-267,037,389.33

Finding the Fourth Proportional to 819,735,865.30, 1,229,602,834.31 and 267,037,389.33

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Solution

The fourth proportional to 819,735,865.30, 1,229,602,834.31 and 267,037,389.33 is: 400,555,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,865.30 : 1,229,602,834.31 = 267,037,389.33 : x
  2. Step 2: Convert to fraction form
    819,735,865.30/1,229,602,834.31 = 267,037,389.33/x
  3. Step 3: Cross multiply
    819,735,865.30x = 1,229,602,834.31 × 267,037,389.33
  4. Step 4: Simplify right side
    819,735,865.30x = 328,349,930,780,964,736
  5. Step 5: Solve for x
    x = 328,349,930,780,964,736/819,735,865.30
  6. Step 6: Final answer
    x = 400,555,770.07

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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.