Home / 12,576,807,633.78-18,858,132,556.11-4,178,216,990.34

Finding the Fourth Proportional to 12,576,807,633.78, 18,858,132,556.11 and 4,178,216,990.34

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Solution

The fourth proportional to 12,576,807,633.78, 18,858,132,556.11 and 4,178,216,990.34 is: 6,264,973,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,807,633.78 : 18,858,132,556.11 = 4,178,216,990.34 : x
  2. Step 2: Convert to fraction form
    12,576,807,633.78/18,858,132,556.11 = 4,178,216,990.34/x
  3. Step 3: Cross multiply
    12,576,807,633.78x = 18,858,132,556.11 × 4,178,216,990.34
  4. Step 4: Simplify right side
    12,576,807,633.78x = 78,793,369,852,022,702,080
  5. Step 5: Solve for x
    x = 78,793,369,852,022,702,080/12,576,807,633.78
  6. Step 6: Final answer
    x = 6,264,973,763.33

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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.