Home / 308,687,226.20-425,399,660.22-303,013,429.18

Finding the Fourth Proportional to 308,687,226.20, 425,399,660.22 and 303,013,429.18

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Solution

The fourth proportional to 308,687,226.20, 425,399,660.22 and 303,013,429.18 is: 417,580,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,687,226.20 : 425,399,660.22 = 303,013,429.18 : x
  2. Step 2: Convert to fraction form
    308,687,226.20/425,399,660.22 = 303,013,429.18/x
  3. Step 3: Cross multiply
    308,687,226.20x = 425,399,660.22 × 303,013,429.18
  4. Step 4: Simplify right side
    308,687,226.20x = 128,901,809,815,269,040
  5. Step 5: Solve for x
    x = 128,901,809,815,269,040/308,687,226.20
  6. Step 6: Final answer
    x = 417,580,641.10

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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.