Home / 365,815,228.86-504,825,732.63-217,166,161.50

Finding the Fourth Proportional to 365,815,228.86, 504,825,732.63 and 217,166,161.50

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Solution

The fourth proportional to 365,815,228.86, 504,825,732.63 and 217,166,161.50 is: 299,689,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,815,228.86 : 504,825,732.63 = 217,166,161.50 : x
  2. Step 2: Convert to fraction form
    365,815,228.86/504,825,732.63 = 217,166,161.50/x
  3. Step 3: Cross multiply
    365,815,228.86x = 504,825,732.63 × 217,166,161.50
  4. Step 4: Simplify right side
    365,815,228.86x = 109,631,066,581,682,400
  5. Step 5: Solve for x
    x = 109,631,066,581,682,400/365,815,228.86
  6. Step 6: Final answer
    x = 299,689,728.40

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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.