Home / 824,156,822.40-1,236,235,233.60-210,789,052.80

Finding the Fourth Proportional to 824,156,822.40, 1,236,235,233.60 and 210,789,052.80

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Solution

The fourth proportional to 824,156,822.40, 1,236,235,233.60 and 210,789,052.80 is: 316,183,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,156,822.40 : 1,236,235,233.60 = 210,789,052.80 : x
  2. Step 2: Convert to fraction form
    824,156,822.40/1,236,235,233.60 = 210,789,052.80/x
  3. Step 3: Cross multiply
    824,156,822.40x = 1,236,235,233.60 × 210,789,052.80
  4. Step 4: Simplify right side
    824,156,822.40x = 260,584,853,928,530,720
  5. Step 5: Solve for x
    x = 260,584,853,928,530,720/824,156,822.40
  6. Step 6: Final answer
    x = 316,183,579.20

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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.