Home / 2,368,420,043.82-3,268,290,174.67-1,296,516,012.72

Finding the Fourth Proportional to 2,368,420,043.82, 3,268,290,174.67 and 1,296,516,012.72

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Solution

The fourth proportional to 2,368,420,043.82, 3,268,290,174.67 and 1,296,516,012.72 is: 1,789,121,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368,420,043.82 : 3,268,290,174.67 = 1,296,516,012.72 : x
  2. Step 2: Convert to fraction form
    2,368,420,043.82/3,268,290,174.67 = 1,296,516,012.72/x
  3. Step 3: Cross multiply
    2,368,420,043.82x = 3,268,290,174.67 × 1,296,516,012.72
  4. Step 4: Simplify right side
    2,368,420,043.82x = 4,237,390,545,675,101,184
  5. Step 5: Solve for x
    x = 4,237,390,545,675,101,184/2,368,420,043.82
  6. Step 6: Final answer
    x = 1,789,121,214.68

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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.