Home / 288,336,529.34-432,375,475.49-171,806,797.88

Finding the Fourth Proportional to 288,336,529.34, 432,375,475.49 and 171,806,797.88

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Solution

The fourth proportional to 288,336,529.34, 432,375,475.49 and 171,806,797.88 is: 257,633,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,336,529.34 : 432,375,475.49 = 171,806,797.88 : x
  2. Step 2: Convert to fraction form
    288,336,529.34/432,375,475.49 = 171,806,797.88/x
  3. Step 3: Cross multiply
    288,336,529.34x = 432,375,475.49 × 171,806,797.88
  4. Step 4: Simplify right side
    288,336,529.34x = 74,285,045,924,920,288
  5. Step 5: Solve for x
    x = 74,285,045,924,920,288/288,336,529.34
  6. Step 6: Final answer
    x = 257,633,141.71

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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.