Home / 527,824,922.40-792,115,297.20-221,336,992.80

Finding the Fourth Proportional to 527,824,922.40, 792,115,297.20 and 221,336,992.80

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Solution

The fourth proportional to 527,824,922.40, 792,115,297.20 and 221,336,992.80 is: 332,163,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,824,922.40 : 792,115,297.20 = 221,336,992.80 : x
  2. Step 2: Convert to fraction form
    527,824,922.40/792,115,297.20 = 221,336,992.80/x
  3. Step 3: Cross multiply
    527,824,922.40x = 792,115,297.20 × 221,336,992.80
  4. Step 4: Simplify right side
    527,824,922.40x = 175,324,417,833,126,272
  5. Step 5: Solve for x
    x = 175,324,417,833,126,272/527,824,922.40
  6. Step 6: Final answer
    x = 332,163,962.69

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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.