Home / 12,477,987,768.24-17,220,039,556.92-6,839,218,068.30

Finding the Fourth Proportional to 12,477,987,768.24, 17,220,039,556.92 and 6,839,218,068.30

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Solution

The fourth proportional to 12,477,987,768.24, 17,220,039,556.92 and 6,839,218,068.30 is: 9,438,349,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,987,768.24 : 17,220,039,556.92 = 6,839,218,068.30 : x
  2. Step 2: Convert to fraction form
    12,477,987,768.24/17,220,039,556.92 = 6,839,218,068.30/x
  3. Step 3: Cross multiply
    12,477,987,768.24x = 17,220,039,556.92 × 6,839,218,068.30
  4. Step 4: Simplify right side
    12,477,987,768.24x = 117,771,605,674,527,981,568
  5. Step 5: Solve for x
    x = 117,771,605,674,527,981,568/12,477,987,768.24
  6. Step 6: Final answer
    x = 9,438,349,184.34

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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.