Home / 347,330,315.67-520,505,662.03-191,954,091.48

Finding the Fourth Proportional to 347,330,315.67, 520,505,662.03 and 191,954,091.48

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Solution

The fourth proportional to 347,330,315.67, 520,505,662.03 and 191,954,091.48 is: 287,660,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,330,315.67 : 520,505,662.03 = 191,954,091.48 : x
  2. Step 2: Convert to fraction form
    347,330,315.67/520,505,662.03 = 191,954,091.48/x
  3. Step 3: Cross multiply
    347,330,315.67x = 520,505,662.03 × 191,954,091.48
  4. Step 4: Simplify right side
    347,330,315.67x = 99,913,191,465,164,576
  5. Step 5: Solve for x
    x = 99,913,191,465,164,576/347,330,315.67
  6. Step 6: Final answer
    x = 287,660,440.10

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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.