Home / 819,735,868.29-1,229,602,838.79-267,037,392.33

Finding the Fourth Proportional to 819,735,868.29, 1,229,602,838.79 and 267,037,392.33

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Solution

The fourth proportional to 819,735,868.29, 1,229,602,838.79 and 267,037,392.33 is: 400,555,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,868.29 : 1,229,602,838.79 = 267,037,392.33 : x
  2. Step 2: Convert to fraction form
    819,735,868.29/1,229,602,838.79 = 267,037,392.33/x
  3. Step 3: Cross multiply
    819,735,868.29x = 1,229,602,838.79 × 267,037,392.33
  4. Step 4: Simplify right side
    819,735,868.29x = 328,349,935,672,046,976
  5. Step 5: Solve for x
    x = 328,349,935,672,046,976/819,735,868.29
  6. Step 6: Final answer
    x = 400,555,774.58

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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.