Home / 480,491,625.60-720,737,438.40-173,831,068.80

Finding the Fourth Proportional to 480,491,625.60, 720,737,438.40 and 173,831,068.80

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Solution

The fourth proportional to 480,491,625.60, 720,737,438.40 and 173,831,068.80 is: 260,746,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,491,625.60 : 720,737,438.40 = 173,831,068.80 : x
  2. Step 2: Convert to fraction form
    480,491,625.60/720,737,438.40 = 173,831,068.80/x
  3. Step 3: Cross multiply
    480,491,625.60x = 720,737,438.40 × 173,831,068.80
  4. Step 4: Simplify right side
    480,491,625.60x = 125,286,559,241,246,160
  5. Step 5: Solve for x
    x = 125,286,559,241,246,160/480,491,625.60
  6. Step 6: Final answer
    x = 260,746,603.20

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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.