Home / 356,576,896.69-534,902,033.81-123,407,199.45

Finding the Fourth Proportional to 356,576,896.69, 534,902,033.81 and 123,407,199.45

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Solution

The fourth proportional to 356,576,896.69, 534,902,033.81 and 123,407,199.45 is: 185,123,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,576,896.69 : 534,902,033.81 = 123,407,199.45 : x
  2. Step 2: Convert to fraction form
    356,576,896.69/534,902,033.81 = 123,407,199.45/x
  3. Step 3: Cross multiply
    356,576,896.69x = 534,902,033.81 × 123,407,199.45
  4. Step 4: Simplify right side
    356,576,896.69x = 66,010,761,972,909,832
  5. Step 5: Solve for x
    x = 66,010,761,972,909,832/356,576,896.69
  6. Step 6: Final answer
    x = 185,123,496.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.