Home / 690,449,583.84-1,036,082,972.16-254,056,711.92

Finding the Fourth Proportional to 690,449,583.84, 1,036,082,972.16 and 254,056,711.92

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Solution

The fourth proportional to 690,449,583.84, 1,036,082,972.16 and 254,056,711.92 is: 381,235,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,449,583.84 : 1,036,082,972.16 = 254,056,711.92 : x
  2. Step 2: Convert to fraction form
    690,449,583.84/1,036,082,972.16 = 254,056,711.92/x
  3. Step 3: Cross multiply
    690,449,583.84x = 1,036,082,972.16 × 254,056,711.92
  4. Step 4: Simplify right side
    690,449,583.84x = 263,223,833,183,270,464
  5. Step 5: Solve for x
    x = 263,223,833,183,270,464/690,449,583.84
  6. Step 6: Final answer
    x = 381,235,414.35

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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.