Home / 556,647,937.04-768,307,940.20-318,631,096.56

Finding the Fourth Proportional to 556,647,937.04, 768,307,940.20 and 318,631,096.56

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Solution

The fourth proportional to 556,647,937.04, 768,307,940.20 and 318,631,096.56 is: 439,787,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,647,937.04 : 768,307,940.20 = 318,631,096.56 : x
  2. Step 2: Convert to fraction form
    556,647,937.04/768,307,940.20 = 318,631,096.56/x
  3. Step 3: Cross multiply
    556,647,937.04x = 768,307,940.20 × 318,631,096.56
  4. Step 4: Simplify right side
    556,647,937.04x = 244,806,801,481,680,928
  5. Step 5: Solve for x
    x = 244,806,801,481,680,928/556,647,937.04
  6. Step 6: Final answer
    x = 439,787,494.38

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1.5x scale

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.