Home / 820,195,956.27-1,131,870,384.85-443,852,555.68

Finding the Fourth Proportional to 820,195,956.27, 1,131,870,384.85 and 443,852,555.68

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Solution

The fourth proportional to 820,195,956.27, 1,131,870,384.85 and 443,852,555.68 is: 612,516,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,195,956.27 : 1,131,870,384.85 = 443,852,555.68 : x
  2. Step 2: Convert to fraction form
    820,195,956.27/1,131,870,384.85 = 443,852,555.68/x
  3. Step 3: Cross multiply
    820,195,956.27x = 1,131,870,384.85 × 443,852,555.68
  4. Step 4: Simplify right side
    820,195,956.27x = 502,383,563,014,177,600
  5. Step 5: Solve for x
    x = 502,383,563,014,177,600/820,195,956.27
  6. Step 6: Final answer
    x = 612,516,508.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.