Home / 347,775,912.60-521,663,868.90-211,727,016.60

Finding the Fourth Proportional to 347,775,912.60, 521,663,868.90 and 211,727,016.60

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Solution

The fourth proportional to 347,775,912.60, 521,663,868.90 and 211,727,016.60 is: 317,590,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,775,912.60 : 521,663,868.90 = 211,727,016.60 : x
  2. Step 2: Convert to fraction form
    347,775,912.60/521,663,868.90 = 211,727,016.60/x
  3. Step 3: Cross multiply
    347,775,912.60x = 521,663,868.90 × 211,727,016.60
  4. Step 4: Simplify right side
    347,775,912.60x = 110,450,334,630,210,512
  5. Step 5: Solve for x
    x = 110,450,334,630,210,512/347,775,912.60
  6. Step 6: Final answer
    x = 317,590,524.90

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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.