Home / 413,936,435.49-620,586,407.30-214,301,710.85

Finding the Fourth Proportional to 413,936,435.49, 620,586,407.30 and 214,301,710.85

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Solution

The fourth proportional to 413,936,435.49, 620,586,407.30 and 214,301,710.85 is: 321,287,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,936,435.49 : 620,586,407.30 = 214,301,710.85 : x
  2. Step 2: Convert to fraction form
    413,936,435.49/620,586,407.30 = 214,301,710.85/x
  3. Step 3: Cross multiply
    413,936,435.49x = 620,586,407.30 × 214,301,710.85
  4. Step 4: Simplify right side
    413,936,435.49x = 132,992,728,811,645,536
  5. Step 5: Solve for x
    x = 132,992,728,811,645,536/413,936,435.49
  6. Step 6: Final answer
    x = 321,287,805.11

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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.