Home / 6,477,432,509.70-9,719,733,997.92-3,161,274,549.20

Finding the Fourth Proportional to 6,477,432,509.70, 9,719,733,997.92 and 3,161,274,549.20

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Solution

The fourth proportional to 6,477,432,509.70, 9,719,733,997.92 and 3,161,274,549.20 is: 4,743,661,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,432,509.70 : 9,719,733,997.92 = 3,161,274,549.20 : x
  2. Step 2: Convert to fraction form
    6,477,432,509.70/9,719,733,997.92 = 3,161,274,549.20/x
  3. Step 3: Cross multiply
    6,477,432,509.70x = 9,719,733,997.92 × 3,161,274,549.20
  4. Step 4: Simplify right side
    6,477,432,509.70x = 30,726,747,712,618,459,136
  5. Step 5: Solve for x
    x = 30,726,747,712,618,459,136/6,477,432,509.70
  6. Step 6: Final answer
    x = 4,743,661,576.81

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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.