Home / 382,435,806.40-574,504,015.20-367,980,611.20

Finding the Fourth Proportional to 382,435,806.40, 574,504,015.20 and 367,980,611.20

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Solution

The fourth proportional to 382,435,806.40, 574,504,015.20 and 367,980,611.20 is: 552,789,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,435,806.40 : 574,504,015.20 = 367,980,611.20 : x
  2. Step 2: Convert to fraction form
    382,435,806.40/574,504,015.20 = 367,980,611.20/x
  3. Step 3: Cross multiply
    382,435,806.40x = 574,504,015.20 × 367,980,611.20
  4. Step 4: Simplify right side
    382,435,806.40x = 211,406,338,650,150,112
  5. Step 5: Solve for x
    x = 211,406,338,650,150,112/382,435,806.40
  6. Step 6: Final answer
    x = 552,789,082.80

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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.