Home / 480,491,640.60-720,737,460.90-173,831,083.80

Finding the Fourth Proportional to 480,491,640.60, 720,737,460.90 and 173,831,083.80

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Solution

The fourth proportional to 480,491,640.60, 720,737,460.90 and 173,831,083.80 is: 260,746,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,491,640.60 : 720,737,460.90 = 173,831,083.80 : x
  2. Step 2: Convert to fraction form
    480,491,640.60/720,737,460.90 = 173,831,083.80/x
  3. Step 3: Cross multiply
    480,491,640.60x = 720,737,460.90 × 173,831,083.80
  4. Step 4: Simplify right side
    480,491,640.60x = 125,286,573,963,507,120
  5. Step 5: Solve for x
    x = 125,286,573,963,507,120/480,491,640.60
  6. Step 6: Final answer
    x = 260,746,625.70

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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.