Home / 383,362,660.80-574,652,080.80-188,975,102.40

Finding the Fourth Proportional to 383,362,660.80, 574,652,080.80 and 188,975,102.40

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Solution

The fourth proportional to 383,362,660.80, 574,652,080.80 and 188,975,102.40 is: 283,269,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,362,660.80 : 574,652,080.80 = 188,975,102.40 : x
  2. Step 2: Convert to fraction form
    383,362,660.80/574,652,080.80 = 188,975,102.40/x
  3. Step 3: Cross multiply
    383,362,660.80x = 574,652,080.80 × 188,975,102.40
  4. Step 4: Simplify right side
    383,362,660.80x = 108,594,935,813,553,072
  5. Step 5: Solve for x
    x = 108,594,935,813,553,072/383,362,660.80
  6. Step 6: Final answer
    x = 283,269,464.97

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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.