Home / 3,768,287,971.47-5,653,274,992.78-1,148,297,127.63

Finding the Fourth Proportional to 3,768,287,971.47, 5,653,274,992.78 and 1,148,297,127.63

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Solution

The fourth proportional to 3,768,287,971.47, 5,653,274,992.78 and 1,148,297,127.63 is: 1,722,702,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,287,971.47 : 5,653,274,992.78 = 1,148,297,127.63 : x
  2. Step 2: Convert to fraction form
    3,768,287,971.47/5,653,274,992.78 = 1,148,297,127.63/x
  3. Step 3: Cross multiply
    3,768,287,971.47x = 5,653,274,992.78 × 1,148,297,127.63
  4. Step 4: Simplify right side
    3,768,287,971.47x = 6,491,639,435,911,783,424
  5. Step 5: Solve for x
    x = 6,491,639,435,911,783,424/3,768,287,971.47
  6. Step 6: Final answer
    x = 1,722,702,586.71

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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.