Home / 3,418,480,668.10-5,127,721,002.15-3,189,157,096.90

Finding the Fourth Proportional to 3,418,480,668.10, 5,127,721,002.15 and 3,189,157,096.90

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Solution

The fourth proportional to 3,418,480,668.10, 5,127,721,002.15 and 3,189,157,096.90 is: 4,783,735,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,480,668.10 : 5,127,721,002.15 = 3,189,157,096.90 : x
  2. Step 2: Convert to fraction form
    3,418,480,668.10/5,127,721,002.15 = 3,189,157,096.90/x
  3. Step 3: Cross multiply
    3,418,480,668.10x = 5,127,721,002.15 × 3,189,157,096.90
  4. Step 4: Simplify right side
    3,418,480,668.10x = 16,353,107,824,929,851,392
  5. Step 5: Solve for x
    x = 16,353,107,824,929,851,392/3,418,480,668.10
  6. Step 6: Final answer
    x = 4,783,735,645.35

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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.