Home / 13,873,769,824.72-19,145,816,527.76-7,530,138,965.53

Finding the Fourth Proportional to 13,873,769,824.72, 19,145,816,527.76 and 7,530,138,965.53

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Solution

The fourth proportional to 13,873,769,824.72, 19,145,816,527.76 and 7,530,138,965.53 is: 10,391,599,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,769,824.72 : 19,145,816,527.76 = 7,530,138,965.53 : x
  2. Step 2: Convert to fraction form
    13,873,769,824.72/19,145,816,527.76 = 7,530,138,965.53/x
  3. Step 3: Cross multiply
    13,873,769,824.72x = 19,145,816,527.76 × 7,530,138,965.53
  4. Step 4: Simplify right side
    13,873,769,824.72x = 144,170,659,062,536,208,384
  5. Step 5: Solve for x
    x = 144,170,659,062,536,208,384/13,873,769,824.72
  6. Step 6: Final answer
    x = 10,391,599,463.16

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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.