Home / 53,434,843,841.18-73,741,524,517.92-31,438,437,513.38

Finding the Fourth Proportional to 53,434,843,841.18, 73,741,524,517.92 and 31,438,437,513.38

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Solution

The fourth proportional to 53,434,843,841.18, 73,741,524,517.92 and 31,438,437,513.38 is: 43,385,891,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434,843,841.18 : 73,741,524,517.92 = 31,438,437,513.38 : x
  2. Step 2: Convert to fraction form
    53,434,843,841.18/73,741,524,517.92 = 31,438,437,513.38/x
  3. Step 3: Cross multiply
    53,434,843,841.18x = 73,741,524,517.92 × 31,438,437,513.38
  4. Step 4: Simplify right side
    53,434,843,841.18x = 2,318,318,310,698,007,134,208
  5. Step 5: Solve for x
    x = 2,318,318,310,698,007,134,208/53,434,843,841.18
  6. Step 6: Final answer
    x = 43,385,891,003.79

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1.5x scale

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.