Home / 414,056,513.80-620,557,266.30-220,060,865.80

Finding the Fourth Proportional to 414,056,513.80, 620,557,266.30 and 220,060,865.80

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Solution

The fourth proportional to 414,056,513.80, 620,557,266.30 and 220,060,865.80 is: 329,810,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,056,513.80 : 620,557,266.30 = 220,060,865.80 : x
  2. Step 2: Convert to fraction form
    414,056,513.80/620,557,266.30 = 220,060,865.80/x
  3. Step 3: Cross multiply
    414,056,513.80x = 620,557,266.30 × 220,060,865.80
  4. Step 4: Simplify right side
    414,056,513.80x = 136,560,369,300,459,152
  5. Step 5: Solve for x
    x = 136,560,369,300,459,152/414,056,513.80
  6. Step 6: Final answer
    x = 329,810,943.07

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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.