Home / 2,412,959,761.12-3,619,434,294-642,330,881.32

Finding the Fourth Proportional to 2,412,959,761.12, 3,619,434,294 and 642,330,881.32

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Solution

The fourth proportional to 2,412,959,761.12, 3,619,434,294 and 642,330,881.32 is: 963,494,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,959,761.12 : 3,619,434,294 = 642,330,881.32 : x
  2. Step 2: Convert to fraction form
    2,412,959,761.12/3,619,434,294 = 642,330,881.32/x
  3. Step 3: Cross multiply
    2,412,959,761.12x = 3,619,434,294 × 642,330,881.32
  4. Step 4: Simplify right side
    2,412,959,761.12x = 2,324,874,419,944,851,968
  5. Step 5: Solve for x
    x = 2,324,874,419,944,851,968/2,412,959,761.12
  6. Step 6: Final answer
    x = 963,494,898.43

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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.