Home / 3,147,898,142.79-4,342,530,401.91-1,876,842,698.67

Finding the Fourth Proportional to 3,147,898,142.79, 4,342,530,401.91 and 1,876,842,698.67

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Solution

The fourth proportional to 3,147,898,142.79, 4,342,530,401.91 and 1,876,842,698.67 is: 2,589,107,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,898,142.79 : 4,342,530,401.91 = 1,876,842,698.67 : x
  2. Step 2: Convert to fraction form
    3,147,898,142.79/4,342,530,401.91 = 1,876,842,698.67/x
  3. Step 3: Cross multiply
    3,147,898,142.79x = 4,342,530,401.91 × 1,876,842,698.67
  4. Step 4: Simplify right side
    3,147,898,142.79x = 8,150,246,478,577,284,096
  5. Step 5: Solve for x
    x = 8,150,246,478,577,284,096/3,147,898,142.79
  6. Step 6: Final answer
    x = 2,589,107,432.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.