Home / 1,253,726,906.88-1,880,608,858.56-477,416,006.40

Finding the Fourth Proportional to 1,253,726,906.88, 1,880,608,858.56 and 477,416,006.40

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Solution

The fourth proportional to 1,253,726,906.88, 1,880,608,858.56 and 477,416,006.40 is: 716,131,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,726,906.88 : 1,880,608,858.56 = 477,416,006.40 : x
  2. Step 2: Convert to fraction form
    1,253,726,906.88/1,880,608,858.56 = 477,416,006.40/x
  3. Step 3: Cross multiply
    1,253,726,906.88x = 1,880,608,858.56 × 477,416,006.40
  4. Step 4: Simplify right side
    1,253,726,906.88x = 897,832,770,854,177,536
  5. Step 5: Solve for x
    x = 897,832,770,854,177,536/1,253,726,906.88
  6. Step 6: Final answer
    x = 716,131,053.68

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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.