Home / 414,087,729.80-620,604,090.30-220,092,081.80

Finding the Fourth Proportional to 414,087,729.80, 620,604,090.30 and 220,092,081.80

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Solution

The fourth proportional to 414,087,729.80, 620,604,090.30 and 220,092,081.80 is: 329,857,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,087,729.80 : 620,604,090.30 = 220,092,081.80 : x
  2. Step 2: Convert to fraction form
    414,087,729.80/620,604,090.30 = 220,092,081.80/x
  3. Step 3: Cross multiply
    414,087,729.80x = 620,604,090.30 × 220,092,081.80
  4. Step 4: Simplify right side
    414,087,729.80x = 136,590,046,207,722,176
  5. Step 5: Solve for x
    x = 136,590,046,207,722,176/414,087,729.80
  6. Step 6: Final answer
    x = 329,857,748.44

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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.