Home / 821,914,294.92-1,233,077,006.73-239,648,540.45

Finding the Fourth Proportional to 821,914,294.92, 1,233,077,006.73 and 239,648,540.45

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Solution

The fourth proportional to 821,914,294.92, 1,233,077,006.73 and 239,648,540.45 is: 359,532,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,914,294.92 : 1,233,077,006.73 = 239,648,540.45 : x
  2. Step 2: Convert to fraction form
    821,914,294.92/1,233,077,006.73 = 239,648,540.45/x
  3. Step 3: Cross multiply
    821,914,294.92x = 1,233,077,006.73 × 239,648,540.45
  4. Step 4: Simplify right side
    821,914,294.92x = 295,505,104,925,299,328
  5. Step 5: Solve for x
    x = 295,505,104,925,299,328/821,914,294.92
  6. Step 6: Final answer
    x = 359,532,747.82

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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.