Home / 347,753,999.70-521,630,999.55-186,510,863.70

Finding the Fourth Proportional to 347,753,999.70, 521,630,999.55 and 186,510,863.70

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Solution

The fourth proportional to 347,753,999.70, 521,630,999.55 and 186,510,863.70 is: 279,766,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,999.70 : 521,630,999.55 = 186,510,863.70 : x
  2. Step 2: Convert to fraction form
    347,753,999.70/521,630,999.55 = 186,510,863.70/x
  3. Step 3: Cross multiply
    347,753,999.70x = 521,630,999.55 × 186,510,863.70
  4. Step 4: Simplify right side
    347,753,999.70x = 97,289,848,258,764,800
  5. Step 5: Solve for x
    x = 97,289,848,258,764,800/347,753,999.70
  6. Step 6: Final answer
    x = 279,766,295.55

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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.