Home / 800,846,970.53-1,200,831,569.73-247,995,914.72

Finding the Fourth Proportional to 800,846,970.53, 1,200,831,569.73 and 247,995,914.72

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Solution

The fourth proportional to 800,846,970.53, 1,200,831,569.73 and 247,995,914.72 is: 371,857,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,846,970.53 : 1,200,831,569.73 = 247,995,914.72 : x
  2. Step 2: Convert to fraction form
    800,846,970.53/1,200,831,569.73 = 247,995,914.72/x
  3. Step 3: Cross multiply
    800,846,970.53x = 1,200,831,569.73 × 247,995,914.72
  4. Step 4: Simplify right side
    800,846,970.53x = 297,801,323,553,840,640
  5. Step 5: Solve for x
    x = 297,801,323,553,840,640/800,846,970.53
  6. Step 6: Final answer
    x = 371,857,963.52

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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.