Home / 1,011,558,842.16-1,395,981,871.20-565,540,997.84

Finding the Fourth Proportional to 1,011,558,842.16, 1,395,981,871.20 and 565,540,997.84

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Solution

The fourth proportional to 1,011,558,842.16, 1,395,981,871.20 and 565,540,997.84 is: 780,463,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,558,842.16 : 1,395,981,871.20 = 565,540,997.84 : x
  2. Step 2: Convert to fraction form
    1,011,558,842.16/1,395,981,871.20 = 565,540,997.84/x
  3. Step 3: Cross multiply
    1,011,558,842.16x = 1,395,981,871.20 × 565,540,997.84
  4. Step 4: Simplify right side
    1,011,558,842.16x = 789,484,980,404,998,400
  5. Step 5: Solve for x
    x = 789,484,980,404,998,400/1,011,558,842.16
  6. Step 6: Final answer
    x = 780,463,723.41

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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.