Home / 299,563,687.28-413,398,448.58-167,404,683.94

Finding the Fourth Proportional to 299,563,687.28, 413,398,448.58 and 167,404,683.94

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Solution

The fourth proportional to 299,563,687.28, 413,398,448.58 and 167,404,683.94 is: 231,018,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,563,687.28 : 413,398,448.58 = 167,404,683.94 : x
  2. Step 2: Convert to fraction form
    299,563,687.28/413,398,448.58 = 167,404,683.94/x
  3. Step 3: Cross multiply
    299,563,687.28x = 413,398,448.58 × 167,404,683.94
  4. Step 4: Simplify right side
    299,563,687.28x = 69,204,836,625,821,240
  5. Step 5: Solve for x
    x = 69,204,836,625,821,240/299,563,687.28
  6. Step 6: Final answer
    x = 231,018,776.86

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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.