Home / 11,491,141,983.81-15,857,768,775.03-6,210,744,207.81

Finding the Fourth Proportional to 11,491,141,983.81, 15,857,768,775.03 and 6,210,744,207.81

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Solution

The fourth proportional to 11,491,141,983.81, 15,857,768,775.03 and 6,210,744,207.81 is: 8,570,823,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,141,983.81 : 15,857,768,775.03 = 6,210,744,207.81 : x
  2. Step 2: Convert to fraction form
    11,491,141,983.81/15,857,768,775.03 = 6,210,744,207.81/x
  3. Step 3: Cross multiply
    11,491,141,983.81x = 15,857,768,775.03 × 6,210,744,207.81
  4. Step 4: Simplify right side
    11,491,141,983.81x = 98,488,545,568,307,855,360
  5. Step 5: Solve for x
    x = 98,488,545,568,307,855,360/11,491,141,983.81
  6. Step 6: Final answer
    x = 8,570,823,135.51

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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.