Home / 327,443,156.85-490,922,596.37-198,021,994.42

Finding the Fourth Proportional to 327,443,156.85, 490,922,596.37 and 198,021,994.42

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Solution

The fourth proportional to 327,443,156.85, 490,922,596.37 and 198,021,994.42 is: 296,886,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,443,156.85 : 490,922,596.37 = 198,021,994.42 : x
  2. Step 2: Convert to fraction form
    327,443,156.85/490,922,596.37 = 198,021,994.42/x
  3. Step 3: Cross multiply
    327,443,156.85x = 490,922,596.37 × 198,021,994.42
  4. Step 4: Simplify right side
    327,443,156.85x = 97,213,471,638,041,936
  5. Step 5: Solve for x
    x = 97,213,471,638,041,936/327,443,156.85
  6. Step 6: Final answer
    x = 296,886,557.57

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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.