Home / 1,282,808,073.42-1,923,509,087.82-397,247,592.42

Finding the Fourth Proportional to 1,282,808,073.42, 1,923,509,087.82 and 397,247,592.42

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Solution

The fourth proportional to 1,282,808,073.42, 1,923,509,087.82 and 397,247,592.42 is: 595,653,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,808,073.42 : 1,923,509,087.82 = 397,247,592.42 : x
  2. Step 2: Convert to fraction form
    1,282,808,073.42/1,923,509,087.82 = 397,247,592.42/x
  3. Step 3: Cross multiply
    1,282,808,073.42x = 1,923,509,087.82 × 397,247,592.42
  4. Step 4: Simplify right side
    1,282,808,073.42x = 764,109,354,134,485,376
  5. Step 5: Solve for x
    x = 764,109,354,134,485,376/1,282,808,073.42
  6. Step 6: Final answer
    x = 595,653,683.48

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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.