Home / 245,545,329,924.36-338,853,080,438.64-138,617,274,960.36

Finding the Fourth Proportional to 245,545,329,924.36, 338,853,080,438.64 and 138,617,274,960.36

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Solution

The fourth proportional to 245,545,329,924.36, 338,853,080,438.64 and 138,617,274,960.36 is: 191,292,135,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,545,329,924.36 : 338,853,080,438.64 = 138,617,274,960.36 : x
  2. Step 2: Convert to fraction form
    245,545,329,924.36/338,853,080,438.64 = 138,617,274,960.36/x
  3. Step 3: Cross multiply
    245,545,329,924.36x = 338,853,080,438.64 × 138,617,274,960.36
  4. Step 4: Simplify right side
    245,545,329,924.36x = 46,970,890,622,327,939,137,536
  5. Step 5: Solve for x
    x = 46,970,890,622,327,939,137,536/245,545,329,924.36
  6. Step 6: Final answer
    x = 191,292,135,903.37

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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.