Home / 408,979,522.56-564,315,765.12-232,757,040.36

Finding the Fourth Proportional to 408,979,522.56, 564,315,765.12 and 232,757,040.36

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Solution

The fourth proportional to 408,979,522.56, 564,315,765.12 and 232,757,040.36 is: 321,161,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,979,522.56 : 564,315,765.12 = 232,757,040.36 : x
  2. Step 2: Convert to fraction form
    408,979,522.56/564,315,765.12 = 232,757,040.36/x
  3. Step 3: Cross multiply
    408,979,522.56x = 564,315,765.12 × 232,757,040.36
  4. Step 4: Simplify right side
    408,979,522.56x = 131,348,467,317,820,128
  5. Step 5: Solve for x
    x = 131,348,467,317,820,128/408,979,522.56
  6. Step 6: Final answer
    x = 321,161,476.49

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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.