Home / 1,227,600,123.75-1,694,088,850.36-663,085,002.46

Finding the Fourth Proportional to 1,227,600,123.75, 1,694,088,850.36 and 663,085,002.46

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Solution

The fourth proportional to 1,227,600,123.75, 1,694,088,850.36 and 663,085,002.46 is: 915,057,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,600,123.75 : 1,694,088,850.36 = 663,085,002.46 : x
  2. Step 2: Convert to fraction form
    1,227,600,123.75/1,694,088,850.36 = 663,085,002.46/x
  3. Step 3: Cross multiply
    1,227,600,123.75x = 1,694,088,850.36 × 663,085,002.46
  4. Step 4: Simplify right side
    1,227,600,123.75x = 1,123,324,909,508,419,200
  5. Step 5: Solve for x
    x = 1,123,324,909,508,419,200/1,227,600,123.75
  6. Step 6: Final answer
    x = 915,057,670.47

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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.