Home / 483,318,355.20-723,783,139.20-320,880,825.60

Finding the Fourth Proportional to 483,318,355.20, 723,783,139.20 and 320,880,825.60

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Solution

The fourth proportional to 483,318,355.20, 723,783,139.20 and 320,880,825.60 is: 480,528,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,318,355.20 : 723,783,139.20 = 320,880,825.60 : x
  2. Step 2: Convert to fraction form
    483,318,355.20/723,783,139.20 = 320,880,825.60/x
  3. Step 3: Cross multiply
    483,318,355.20x = 723,783,139.20 × 320,880,825.60
  4. Step 4: Simplify right side
    483,318,355.20x = 232,248,131,261,855,744
  5. Step 5: Solve for x
    x = 232,248,131,261,855,744/483,318,355.20
  6. Step 6: Final answer
    x = 480,528,266.23

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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.