Home / 419,894,101.72-630,122,087.72-174,250,728.28

Finding the Fourth Proportional to 419,894,101.72, 630,122,087.72 and 174,250,728.28

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Solution

The fourth proportional to 419,894,101.72, 630,122,087.72 and 174,250,728.28 is: 261,492,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,894,101.72 : 630,122,087.72 = 174,250,728.28 : x
  2. Step 2: Convert to fraction form
    419,894,101.72/630,122,087.72 = 174,250,728.28/x
  3. Step 3: Cross multiply
    419,894,101.72x = 630,122,087.72 × 174,250,728.28
  4. Step 4: Simplify right side
    419,894,101.72x = 109,799,232,690,524,048
  5. Step 5: Solve for x
    x = 109,799,232,690,524,048/419,894,101.72
  6. Step 6: Final answer
    x = 261,492,676.94

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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.