Home / 53,393,266,729.76-73,682,781,052.52-28,978,677,340.64

Finding the Fourth Proportional to 53,393,266,729.76, 73,682,781,052.52 and 28,978,677,340.64

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Solution

The fourth proportional to 53,393,266,729.76, 73,682,781,052.52 and 28,978,677,340.64 is: 39,990,614,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393,266,729.76 : 73,682,781,052.52 = 28,978,677,340.64 : x
  2. Step 2: Convert to fraction form
    53,393,266,729.76/73,682,781,052.52 = 28,978,677,340.64/x
  3. Step 3: Cross multiply
    53,393,266,729.76x = 73,682,781,052.52 × 28,978,677,340.64
  4. Step 4: Simplify right side
    53,393,266,729.76x = 2,135,229,537,681,999,659,008
  5. Step 5: Solve for x
    x = 2,135,229,537,681,999,659,008/53,393,266,729.76
  6. Step 6: Final answer
    x = 39,990,614,331.37

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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.