Home / 527,619,620.20-791,429,430.30-255,521,828.20

Finding the Fourth Proportional to 527,619,620.20, 791,429,430.30 and 255,521,828.20

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Solution

The fourth proportional to 527,619,620.20, 791,429,430.30 and 255,521,828.20 is: 383,282,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,619,620.20 : 791,429,430.30 = 255,521,828.20 : x
  2. Step 2: Convert to fraction form
    527,619,620.20/791,429,430.30 = 255,521,828.20/x
  3. Step 3: Cross multiply
    527,619,620.20x = 791,429,430.30 × 255,521,828.20
  4. Step 4: Simplify right side
    527,619,620.20x = 202,227,494,921,540,448
  5. Step 5: Solve for x
    x = 202,227,494,921,540,448/527,619,620.20
  6. Step 6: Final answer
    x = 383,282,742.30

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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.