Home / 29,117,957,309.02-40,182,388,205.42-16,257,795,357.78

Finding the Fourth Proportional to 29,117,957,309.02, 40,182,388,205.42 and 16,257,795,357.78

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Solution

The fourth proportional to 29,117,957,309.02, 40,182,388,205.42 and 16,257,795,357.78 is: 22,435,538,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117,957,309.02 : 40,182,388,205.42 = 16,257,795,357.78 : x
  2. Step 2: Convert to fraction form
    29,117,957,309.02/40,182,388,205.42 = 16,257,795,357.78/x
  3. Step 3: Cross multiply
    29,117,957,309.02x = 40,182,388,205.42 × 16,257,795,357.78
  4. Step 4: Simplify right side
    29,117,957,309.02x = 653,277,044,430,591,098,880
  5. Step 5: Solve for x
    x = 653,277,044,430,591,098,880/29,117,957,309.02
  6. Step 6: Final answer
    x = 22,435,538,231.53

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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.