Home / 12,262,953,315.87-18,394,165,628.64-3,419,556,401.79

Finding the Fourth Proportional to 12,262,953,315.87, 18,394,165,628.64 and 3,419,556,401.79

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Solution

The fourth proportional to 12,262,953,315.87, 18,394,165,628.64 and 3,419,556,401.79 is: 5,129,260,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262,953,315.87 : 18,394,165,628.64 = 3,419,556,401.79 : x
  2. Step 2: Convert to fraction form
    12,262,953,315.87/18,394,165,628.64 = 3,419,556,401.79/x
  3. Step 3: Cross multiply
    12,262,953,315.87x = 18,394,165,628.64 × 3,419,556,401.79
  4. Step 4: Simplify right side
    12,262,953,315.87x = 62,899,886,831,001,485,312
  5. Step 5: Solve for x
    x = 62,899,886,831,001,485,312/12,262,953,315.87
  6. Step 6: Final answer
    x = 5,129,260,889.35

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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.