Home / 630,602,408.34-945,800,910.96-221,563,074.42

Finding the Fourth Proportional to 630,602,408.34, 945,800,910.96 and 221,563,074.42

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Solution

The fourth proportional to 630,602,408.34, 945,800,910.96 and 221,563,074.42 is: 332,308,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,602,408.34 : 945,800,910.96 = 221,563,074.42 : x
  2. Step 2: Convert to fraction form
    630,602,408.34/945,800,910.96 = 221,563,074.42/x
  3. Step 3: Cross multiply
    630,602,408.34x = 945,800,910.96 × 221,563,074.42
  4. Step 4: Simplify right side
    630,602,408.34x = 209,554,557,621,534,272
  5. Step 5: Solve for x
    x = 209,554,557,621,534,272/630,602,408.34
  6. Step 6: Final answer
    x = 332,308,527.29

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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.