Home / 11,491,142,023.87-15,857,768,830.31-6,210,744,247.87

Finding the Fourth Proportional to 11,491,142,023.87, 15,857,768,830.31 and 6,210,744,247.87

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Solution

The fourth proportional to 11,491,142,023.87, 15,857,768,830.31 and 6,210,744,247.87 is: 8,570,823,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,142,023.87 : 15,857,768,830.31 = 6,210,744,247.87 : x
  2. Step 2: Convert to fraction form
    11,491,142,023.87/15,857,768,830.31 = 6,210,744,247.87/x
  3. Step 3: Cross multiply
    11,491,142,023.87x = 15,857,768,830.31 × 6,210,744,247.87
  4. Step 4: Simplify right side
    11,491,142,023.87x = 98,488,546,546,900,008,960
  5. Step 5: Solve for x
    x = 98,488,546,546,900,008,960/11,491,142,023.87
  6. Step 6: Final answer
    x = 8,570,823,190.79

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1.5x scale

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.