Home / 383,362,692.80-574,652,128.80-188,975,134.40

Finding the Fourth Proportional to 383,362,692.80, 574,652,128.80 and 188,975,134.40

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Solution

The fourth proportional to 383,362,692.80, 574,652,128.80 and 188,975,134.40 is: 283,269,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,362,692.80 : 574,652,128.80 = 188,975,134.40 : x
  2. Step 2: Convert to fraction form
    383,362,692.80/574,652,128.80 = 188,975,134.40/x
  3. Step 3: Cross multiply
    383,362,692.80x = 574,652,128.80 × 188,975,134.40
  4. Step 4: Simplify right side
    383,362,692.80x = 108,594,963,273,226,112
  5. Step 5: Solve for x
    x = 108,594,963,273,226,112/383,362,692.80
  6. Step 6: Final answer
    x = 283,269,512.95

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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.