Home / 31,245,410,178.37-43,118,633,232.54-16,972,248,965.89

Finding the Fourth Proportional to 31,245,410,178.37, 43,118,633,232.54 and 16,972,248,965.89

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Solution

The fourth proportional to 31,245,410,178.37, 43,118,633,232.54 and 16,972,248,965.89 is: 23,421,685,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245,410,178.37 : 43,118,633,232.54 = 16,972,248,965.89 : x
  2. Step 2: Convert to fraction form
    31,245,410,178.37/43,118,633,232.54 = 16,972,248,965.89/x
  3. Step 3: Cross multiply
    31,245,410,178.37x = 43,118,633,232.54 × 16,972,248,965.89
  4. Step 4: Simplify right side
    31,245,410,178.37x = 731,820,178,291,567,230,976
  5. Step 5: Solve for x
    x = 731,820,178,291,567,230,976/31,245,410,178.37
  6. Step 6: Final answer
    x = 23,421,685,748.85

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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.