Home / 819,735,880.34-1,229,602,856.81-267,037,404.36

Finding the Fourth Proportional to 819,735,880.34, 1,229,602,856.81 and 267,037,404.36

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Solution

The fourth proportional to 819,735,880.34, 1,229,602,856.81 and 267,037,404.36 is: 400,555,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,735,880.34 : 1,229,602,856.81 = 267,037,404.36 : x
  2. Step 2: Convert to fraction form
    819,735,880.34/1,229,602,856.81 = 267,037,404.36/x
  3. Step 3: Cross multiply
    819,735,880.34x = 1,229,602,856.81 × 267,037,404.36
  4. Step 4: Simplify right side
    819,735,880.34x = 328,349,955,274,848,000
  5. Step 5: Solve for x
    x = 328,349,955,274,848,000/819,735,880.34
  6. Step 6: Final answer
    x = 400,555,792.61

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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.