Home / 414,032,716.80-620,521,570.80-220,037,068.80

Finding the Fourth Proportional to 414,032,716.80, 620,521,570.80 and 220,037,068.80

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Solution

The fourth proportional to 414,032,716.80, 620,521,570.80 and 220,037,068.80 is: 329,775,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,032,716.80 : 620,521,570.80 = 220,037,068.80 : x
  2. Step 2: Convert to fraction form
    414,032,716.80/620,521,570.80 = 220,037,068.80/x
  3. Step 3: Cross multiply
    414,032,716.80x = 620,521,570.80 × 220,037,068.80
  4. Step 4: Simplify right side
    414,032,716.80x = 136,537,747,566,003,664
  5. Step 5: Solve for x
    x = 136,537,747,566,003,664/414,032,716.80
  6. Step 6: Final answer
    x = 329,775,261.77

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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.