Home / 1,149,323,141.54-1,586,065,874.99-620,687,076.54

Finding the Fourth Proportional to 1,149,323,141.54, 1,586,065,874.99 and 620,687,076.54

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Solution

The fourth proportional to 1,149,323,141.54, 1,586,065,874.99 and 620,687,076.54 is: 856,548,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,323,141.54 : 1,586,065,874.99 = 620,687,076.54 : x
  2. Step 2: Convert to fraction form
    1,149,323,141.54/1,586,065,874.99 = 620,687,076.54/x
  3. Step 3: Cross multiply
    1,149,323,141.54x = 1,586,065,874.99 × 620,687,076.54
  4. Step 4: Simplify right side
    1,149,323,141.54x = 984,450,591,144,296,704
  5. Step 5: Solve for x
    x = 984,450,591,144,296,704/1,149,323,141.54
  6. Step 6: Final answer
    x = 856,548,133.04

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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.