Home / 10,971,307,992.16-15,140,147,503.31-6,455,479,540.42

Finding the Fourth Proportional to 10,971,307,992.16, 15,140,147,503.31 and 6,455,479,540.42

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Solution

The fourth proportional to 10,971,307,992.16, 15,140,147,503.31 and 6,455,479,540.42 is: 8,908,410,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,307,992.16 : 15,140,147,503.31 = 6,455,479,540.42 : x
  2. Step 2: Convert to fraction form
    10,971,307,992.16/15,140,147,503.31 = 6,455,479,540.42/x
  3. Step 3: Cross multiply
    10,971,307,992.16x = 15,140,147,503.31 × 6,455,479,540.42
  4. Step 4: Simplify right side
    10,971,307,992.16x = 97,736,912,446,558,650,368
  5. Step 5: Solve for x
    x = 97,736,912,446,558,650,368/10,971,307,992.16
  6. Step 6: Final answer
    x = 8,908,410,238.45

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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.