Home / 609,855,561,901.80-842,808,188,084.20-499,816,347,949

Finding the Fourth Proportional to 609,855,561,901.80, 842,808,188,084.20 and 499,816,347,949

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Solution

The fourth proportional to 609,855,561,901.80, 842,808,188,084.20 and 499,816,347,949 is: 690,736,195,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,855,561,901.80 : 842,808,188,084.20 = 499,816,347,949 : x
  2. Step 2: Convert to fraction form
    609,855,561,901.80/842,808,188,084.20 = 499,816,347,949/x
  3. Step 3: Cross multiply
    609,855,561,901.80x = 842,808,188,084.20 × 499,816,347,949
  4. Step 4: Simplify right side
    609,855,561,901.80x = 421,249,310,589,758,707,073,024
  5. Step 5: Solve for x
    x = 421,249,310,589,758,707,073,024/609,855,561,901.80
  6. Step 6: Final answer
    x = 690,736,195,429.81

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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.