Home / 324,218,930,579.22-485,644,226,696.91-260,129,290,638.90

Finding the Fourth Proportional to 324,218,930,579.22, 485,644,226,696.91 and 260,129,290,638.90

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Solution

The fourth proportional to 324,218,930,579.22, 485,644,226,696.91 and 260,129,290,638.90 is: 389,645,009,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,218,930,579.22 : 485,644,226,696.91 = 260,129,290,638.90 : x
  2. Step 2: Convert to fraction form
    324,218,930,579.22/485,644,226,696.91 = 260,129,290,638.90/x
  3. Step 3: Cross multiply
    324,218,930,579.22x = 485,644,226,696.91 × 260,129,290,638.90
  4. Step 4: Simplify right side
    324,218,930,579.22x = 126,330,288,193,544,329,887,744
  5. Step 5: Solve for x
    x = 126,330,288,193,544,329,887,744/324,218,930,579.22
  6. Step 6: Final answer
    x = 389,645,009,216.01

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1.5x scale

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.