Home / 1,102,247,998.60-1,653,371,997.90-412,065,571.90

Finding the Fourth Proportional to 1,102,247,998.60, 1,653,371,997.90 and 412,065,571.90

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Solution

The fourth proportional to 1,102,247,998.60, 1,653,371,997.90 and 412,065,571.90 is: 618,098,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,247,998.60 : 1,653,371,997.90 = 412,065,571.90 : x
  2. Step 2: Convert to fraction form
    1,102,247,998.60/1,653,371,997.90 = 412,065,571.90/x
  3. Step 3: Cross multiply
    1,102,247,998.60x = 1,653,371,997.90 × 412,065,571.90
  4. Step 4: Simplify right side
    1,102,247,998.60x = 681,297,677,878,109,056
  5. Step 5: Solve for x
    x = 681,297,677,878,109,056/1,102,247,998.60
  6. Step 6: Final answer
    x = 618,098,357.85

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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.