Home / 498,809,037.42-688,380,463.71-275,786,592.30

Finding the Fourth Proportional to 498,809,037.42, 688,380,463.71 and 275,786,592.30

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Solution

The fourth proportional to 498,809,037.42, 688,380,463.71 and 275,786,592.30 is: 380,598,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,809,037.42 : 688,380,463.71 = 275,786,592.30 : x
  2. Step 2: Convert to fraction form
    498,809,037.42/688,380,463.71 = 275,786,592.30/x
  3. Step 3: Cross multiply
    498,809,037.42x = 688,380,463.71 × 275,786,592.30
  4. Step 4: Simplify right side
    498,809,037.42x = 189,846,102,292,474,720
  5. Step 5: Solve for x
    x = 189,846,102,292,474,720/498,809,037.42
  6. Step 6: Final answer
    x = 380,598,762.35

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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.