Home / 13,873,769,824.47-19,145,816,527.41-7,530,138,965.28

Finding the Fourth Proportional to 13,873,769,824.47, 19,145,816,527.41 and 7,530,138,965.28

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Solution

The fourth proportional to 13,873,769,824.47, 19,145,816,527.41 and 7,530,138,965.28 is: 10,391,599,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,769,824.47 : 19,145,816,527.41 = 7,530,138,965.28 : x
  2. Step 2: Convert to fraction form
    13,873,769,824.47/19,145,816,527.41 = 7,530,138,965.28/x
  3. Step 3: Cross multiply
    13,873,769,824.47x = 19,145,816,527.41 × 7,530,138,965.28
  4. Step 4: Simplify right side
    13,873,769,824.47x = 144,170,659,055,151,857,664
  5. Step 5: Solve for x
    x = 144,170,659,055,151,857,664/13,873,769,824.47
  6. Step 6: Final answer
    x = 10,391,599,462.81

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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.