Home / 819,735,878.84-1,229,602,854.56-267,037,402.86

Finding the Fourth Proportional to 819,735,878.84, 1,229,602,854.56 and 267,037,402.86

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Solution

The fourth proportional to 819,735,878.84, 1,229,602,854.56 and 267,037,402.86 is: 400,555,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,878.84 : 1,229,602,854.56 = 267,037,402.86 : x
  2. Step 2: Convert to fraction form
    819,735,878.84/1,229,602,854.56 = 267,037,402.86/x
  3. Step 3: Cross multiply
    819,735,878.84x = 1,229,602,854.56 × 267,037,402.86
  4. Step 4: Simplify right side
    819,735,878.84x = 328,349,952,829,609,536
  5. Step 5: Solve for x
    x = 328,349,952,829,609,536/819,735,878.84
  6. Step 6: Final answer
    x = 400,555,790.36

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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.