Home / 383,362,697.80-574,652,136.30-188,975,139.40

Finding the Fourth Proportional to 383,362,697.80, 574,652,136.30 and 188,975,139.40

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Solution

The fourth proportional to 383,362,697.80, 574,652,136.30 and 188,975,139.40 is: 283,269,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,362,697.80 : 574,652,136.30 = 188,975,139.40 : x
  2. Step 2: Convert to fraction form
    383,362,697.80/574,652,136.30 = 188,975,139.40/x
  3. Step 3: Cross multiply
    383,362,697.80x = 574,652,136.30 × 188,975,139.40
  4. Step 4: Simplify right side
    383,362,697.80x = 108,594,967,563,800,288
  5. Step 5: Solve for x
    x = 108,594,967,563,800,288/383,362,697.80
  6. Step 6: Final answer
    x = 283,269,520.45

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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.