Home / 7,981,517,556.63-11,009,304,334.89-5,119,125,922.56

Finding the Fourth Proportional to 7,981,517,556.63, 11,009,304,334.89 and 5,119,125,922.56

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Solution

The fourth proportional to 7,981,517,556.63, 11,009,304,334.89 and 5,119,125,922.56 is: 7,061,065,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,517,556.63 : 11,009,304,334.89 = 5,119,125,922.56 : x
  2. Step 2: Convert to fraction form
    7,981,517,556.63/11,009,304,334.89 = 5,119,125,922.56/x
  3. Step 3: Cross multiply
    7,981,517,556.63x = 11,009,304,334.89 × 5,119,125,922.56
  4. Step 4: Simplify right side
    7,981,517,556.63x = 56,358,015,210,087,579,648
  5. Step 5: Solve for x
    x = 56,358,015,210,087,579,648/7,981,517,556.63
  6. Step 6: Final answer
    x = 7,061,065,118.28

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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.