Home / 509,409,000.60-764,113,500.90-218,226,571.80

Finding the Fourth Proportional to 509,409,000.60, 764,113,500.90 and 218,226,571.80

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Solution

The fourth proportional to 509,409,000.60, 764,113,500.90 and 218,226,571.80 is: 327,339,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,409,000.60 : 764,113,500.90 = 218,226,571.80 : x
  2. Step 2: Convert to fraction form
    509,409,000.60/764,113,500.90 = 218,226,571.80/x
  3. Step 3: Cross multiply
    509,409,000.60x = 764,113,500.90 × 218,226,571.80
  4. Step 4: Simplify right side
    509,409,000.60x = 166,749,869,767,503,232
  5. Step 5: Solve for x
    x = 166,749,869,767,503,232/509,409,000.60
  6. Step 6: Final answer
    x = 327,339,857.70

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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.