Home / 344,078,465.80-516,117,698.70-258,082,126.60

Finding the Fourth Proportional to 344,078,465.80, 516,117,698.70 and 258,082,126.60

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Solution

The fourth proportional to 344,078,465.80, 516,117,698.70 and 258,082,126.60 is: 387,123,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,078,465.80 : 516,117,698.70 = 258,082,126.60 : x
  2. Step 2: Convert to fraction form
    344,078,465.80/516,117,698.70 = 258,082,126.60/x
  3. Step 3: Cross multiply
    344,078,465.80x = 516,117,698.70 × 258,082,126.60
  4. Step 4: Simplify right side
    344,078,465.80x = 133,200,753,256,394,048
  5. Step 5: Solve for x
    x = 133,200,753,256,394,048/344,078,465.80
  6. Step 6: Final answer
    x = 387,123,189.90

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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.