Home / 31,455,098,391.11-43,408,034,119.64-16,987,191,952.77

Finding the Fourth Proportional to 31,455,098,391.11, 43,408,034,119.64 and 16,987,191,952.77

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Solution

The fourth proportional to 31,455,098,391.11, 43,408,034,119.64 and 16,987,191,952.77 is: 23,442,323,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,391.11 : 43,408,034,119.64 = 16,987,191,952.77 : x
  2. Step 2: Convert to fraction form
    31,455,098,391.11/43,408,034,119.64 = 16,987,191,952.77/x
  3. Step 3: Cross multiply
    31,455,098,391.11x = 43,408,034,119.64 × 16,987,191,952.77
  4. Step 4: Simplify right side
    31,455,098,391.11x = 737,380,607,882,765,139,968
  5. Step 5: Solve for x
    x = 737,380,607,882,765,139,968/31,455,098,391.11
  6. Step 6: Final answer
    x = 23,442,323,998.30

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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.