Home / 10,971,307,992.44-15,140,147,503.64-6,455,479,540.68

Finding the Fourth Proportional to 10,971,307,992.44, 15,140,147,503.64 and 6,455,479,540.68

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Solution

The fourth proportional to 10,971,307,992.44, 15,140,147,503.64 and 6,455,479,540.68 is: 8,908,410,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,307,992.44 : 15,140,147,503.64 = 6,455,479,540.68 : x
  2. Step 2: Convert to fraction form
    10,971,307,992.44/15,140,147,503.64 = 6,455,479,540.68/x
  3. Step 3: Cross multiply
    10,971,307,992.44x = 15,140,147,503.64 × 6,455,479,540.68
  4. Step 4: Simplify right side
    10,971,307,992.44x = 97,736,912,452,625,399,808
  5. Step 5: Solve for x
    x = 97,736,912,452,625,399,808/10,971,307,992.44
  6. Step 6: Final answer
    x = 8,908,410,238.78

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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.