Home / 285,829,589.20-428,744,383.80-176,990,472.40

Finding the Fourth Proportional to 285,829,589.20, 428,744,383.80 and 176,990,472.40

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Solution

The fourth proportional to 285,829,589.20, 428,744,383.80 and 176,990,472.40 is: 265,485,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,829,589.20 : 428,744,383.80 = 176,990,472.40 : x
  2. Step 2: Convert to fraction form
    285,829,589.20/428,744,383.80 = 176,990,472.40/x
  3. Step 3: Cross multiply
    285,829,589.20x = 428,744,383.80 × 176,990,472.40
  4. Step 4: Simplify right side
    285,829,589.20x = 75,883,671,027,608,912
  5. Step 5: Solve for x
    x = 75,883,671,027,608,912/285,829,589.20
  6. Step 6: Final answer
    x = 265,485,708.60

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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.