Home / 708,855,915.20-1,062,528,045.60-271,987,793.60

Finding the Fourth Proportional to 708,855,915.20, 1,062,528,045.60 and 271,987,793.60

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Solution

The fourth proportional to 708,855,915.20, 1,062,528,045.60 and 271,987,793.60 is: 407,691,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,855,915.20 : 1,062,528,045.60 = 271,987,793.60 : x
  2. Step 2: Convert to fraction form
    708,855,915.20/1,062,528,045.60 = 271,987,793.60/x
  3. Step 3: Cross multiply
    708,855,915.20x = 1,062,528,045.60 × 271,987,793.60
  4. Step 4: Simplify right side
    708,855,915.20x = 288,994,658,760,864,192
  5. Step 5: Solve for x
    x = 288,994,658,760,864,192/708,855,915.20
  6. Step 6: Final answer
    x = 407,691,679.74

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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.