Home / 381,266,223.60-571,638,249.24-194,157,978.24

Finding the Fourth Proportional to 381,266,223.60, 571,638,249.24 and 194,157,978.24

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Solution

The fourth proportional to 381,266,223.60, 571,638,249.24 and 194,157,978.24 is: 291,104,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,266,223.60 : 571,638,249.24 = 194,157,978.24 : x
  2. Step 2: Convert to fraction form
    381,266,223.60/571,638,249.24 = 194,157,978.24/x
  3. Step 3: Cross multiply
    381,266,223.60x = 571,638,249.24 × 194,157,978.24
  4. Step 4: Simplify right side
    381,266,223.60x = 110,988,126,757,091,616
  5. Step 5: Solve for x
    x = 110,988,126,757,091,616/381,266,223.60
  6. Step 6: Final answer
    x = 291,104,010.50

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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.