Home / 819,735,877.10-1,229,602,851.92-267,037,401.12

Finding the Fourth Proportional to 819,735,877.10, 1,229,602,851.92 and 267,037,401.12

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Solution

The fourth proportional to 819,735,877.10, 1,229,602,851.92 and 267,037,401.12 is: 400,555,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,877.10 : 1,229,602,851.92 = 267,037,401.12 : x
  2. Step 2: Convert to fraction form
    819,735,877.10/1,229,602,851.92 = 267,037,401.12/x
  3. Step 3: Cross multiply
    819,735,877.10x = 1,229,602,851.92 × 267,037,401.12
  4. Step 4: Simplify right side
    819,735,877.10x = 328,349,949,986,457,024
  5. Step 5: Solve for x
    x = 328,349,949,986,457,024/819,735,877.10
  6. Step 6: Final answer
    x = 400,555,787.74

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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.