Home / 1,011,558,837.16-1,395,981,864.30-565,540,992.82

Finding the Fourth Proportional to 1,011,558,837.16, 1,395,981,864.30 and 565,540,992.82

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Solution

The fourth proportional to 1,011,558,837.16, 1,395,981,864.30 and 565,540,992.82 is: 780,463,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,558,837.16 : 1,395,981,864.30 = 565,540,992.82 : x
  2. Step 2: Convert to fraction form
    1,011,558,837.16/1,395,981,864.30 = 565,540,992.82/x
  3. Step 3: Cross multiply
    1,011,558,837.16x = 1,395,981,864.30 × 565,540,992.82
  4. Step 4: Simplify right side
    1,011,558,837.16x = 789,484,969,494,936,576
  5. Step 5: Solve for x
    x = 789,484,969,494,936,576/1,011,558,837.16
  6. Step 6: Final answer
    x = 780,463,716.49

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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.