Home / 31,455,097,921.67-43,408,033,471.60-16,987,191,483.49

Finding the Fourth Proportional to 31,455,097,921.67, 43,408,033,471.60 and 16,987,191,483.49

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Solution

The fourth proportional to 31,455,097,921.67, 43,408,033,471.60 and 16,987,191,483.49 is: 23,442,323,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,921.67 : 43,408,033,471.60 = 16,987,191,483.49 : x
  2. Step 2: Convert to fraction form
    31,455,097,921.67/43,408,033,471.60 = 16,987,191,483.49/x
  3. Step 3: Cross multiply
    31,455,097,921.67x = 43,408,033,471.60 × 16,987,191,483.49
  4. Step 4: Simplify right side
    31,455,097,921.67x = 737,380,576,503,674,699,776
  5. Step 5: Solve for x
    x = 737,380,576,503,674,699,776/31,455,097,921.67
  6. Step 6: Final answer
    x = 23,442,323,350.58

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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.