Home / 408,459,759.96-609,503,890.22-364,437,900.24

Finding the Fourth Proportional to 408,459,759.96, 609,503,890.22 and 364,437,900.24

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Solution

The fourth proportional to 408,459,759.96, 609,503,890.22 and 364,437,900.24 is: 543,814,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,459,759.96 : 609,503,890.22 = 364,437,900.24 : x
  2. Step 2: Convert to fraction form
    408,459,759.96/609,503,890.22 = 364,437,900.24/x
  3. Step 3: Cross multiply
    408,459,759.96x = 609,503,890.22 × 364,437,900.24
  4. Step 4: Simplify right side
    408,459,759.96x = 222,126,317,939,888,288
  5. Step 5: Solve for x
    x = 222,126,317,939,888,288/408,459,759.96
  6. Step 6: Final answer
    x = 543,814,445.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.