Home / 13,873,769,821.44-19,145,816,523.20-7,530,138,962.22

Finding the Fourth Proportional to 13,873,769,821.44, 19,145,816,523.20 and 7,530,138,962.22

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Solution

The fourth proportional to 13,873,769,821.44, 19,145,816,523.20 and 7,530,138,962.22 is: 10,391,599,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,769,821.44 : 19,145,816,523.20 = 7,530,138,962.22 : x
  2. Step 2: Convert to fraction form
    13,873,769,821.44/19,145,816,523.20 = 7,530,138,962.22/x
  3. Step 3: Cross multiply
    13,873,769,821.44x = 19,145,816,523.20 × 7,530,138,962.22
  4. Step 4: Simplify right side
    13,873,769,821.44x = 144,170,658,964,863,795,200
  5. Step 5: Solve for x
    x = 144,170,658,964,863,795,200/13,873,769,821.44
  6. Step 6: Final answer
    x = 10,391,599,458.57

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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.