Home / 819,735,879.84-1,229,602,856.06-267,037,403.86

Finding the Fourth Proportional to 819,735,879.84, 1,229,602,856.06 and 267,037,403.86

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Solution

The fourth proportional to 819,735,879.84, 1,229,602,856.06 and 267,037,403.86 is: 400,555,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,879.84 : 1,229,602,856.06 = 267,037,403.86 : x
  2. Step 2: Convert to fraction form
    819,735,879.84/1,229,602,856.06 = 267,037,403.86/x
  3. Step 3: Cross multiply
    819,735,879.84x = 1,229,602,856.06 × 267,037,403.86
  4. Step 4: Simplify right side
    819,735,879.84x = 328,349,954,461,103,680
  5. Step 5: Solve for x
    x = 328,349,954,461,103,680/819,735,879.84
  6. Step 6: Final answer
    x = 400,555,791.85

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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.