Home / 819,735,876.59-1,229,602,851.18-267,037,400.61

Finding the Fourth Proportional to 819,735,876.59, 1,229,602,851.18 and 267,037,400.61

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Solution

The fourth proportional to 819,735,876.59, 1,229,602,851.18 and 267,037,400.61 is: 400,555,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,876.59 : 1,229,602,851.18 = 267,037,400.61 : x
  2. Step 2: Convert to fraction form
    819,735,876.59/1,229,602,851.18 = 267,037,400.61/x
  3. Step 3: Cross multiply
    819,735,876.59x = 1,229,602,851.18 × 267,037,400.61
  4. Step 4: Simplify right side
    819,735,876.59x = 328,349,949,161,751,936
  5. Step 5: Solve for x
    x = 328,349,949,161,751,936/819,735,876.59
  6. Step 6: Final answer
    x = 400,555,786.98

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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.