Home / 216,386,421,977.38-298,613,613,619.44-120,042,510,933.62

Finding the Fourth Proportional to 216,386,421,977.38, 298,613,613,619.44 and 120,042,510,933.62

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Solution

The fourth proportional to 216,386,421,977.38, 298,613,613,619.44 and 120,042,510,933.62 is: 165,658,859,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,386,421,977.38 : 298,613,613,619.44 = 120,042,510,933.62 : x
  2. Step 2: Convert to fraction form
    216,386,421,977.38/298,613,613,619.44 = 120,042,510,933.62/x
  3. Step 3: Cross multiply
    216,386,421,977.38x = 298,613,613,619.44 × 120,042,510,933.62
  4. Step 4: Simplify right side
    216,386,421,977.38x = 35,846,327,977,839,404,515,328
  5. Step 5: Solve for x
    x = 35,846,327,977,839,404,515,328/216,386,421,977.38
  6. Step 6: Final answer
    x = 165,658,859,970.37

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1.5x scale

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.