Home / 800,846,969.79-1,200,831,568.62-247,995,913.95

Finding the Fourth Proportional to 800,846,969.79, 1,200,831,568.62 and 247,995,913.95

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Solution

The fourth proportional to 800,846,969.79, 1,200,831,568.62 and 247,995,913.95 is: 371,857,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,846,969.79 : 1,200,831,568.62 = 247,995,913.95 : x
  2. Step 2: Convert to fraction form
    800,846,969.79/1,200,831,568.62 = 247,995,913.95/x
  3. Step 3: Cross multiply
    800,846,969.79x = 1,200,831,568.62 × 247,995,913.95
  4. Step 4: Simplify right side
    800,846,969.79x = 297,801,322,359,929,024
  5. Step 5: Solve for x
    x = 297,801,322,359,929,024/800,846,969.79
  6. Step 6: Final answer
    x = 371,857,962.37

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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.