Home / 620,810,426.70-930,424,383.45-329,816,954.70

Finding the Fourth Proportional to 620,810,426.70, 930,424,383.45 and 329,816,954.70

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Solution

The fourth proportional to 620,810,426.70, 930,424,383.45 and 329,816,954.70 is: 494,305,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,810,426.70 : 930,424,383.45 = 329,816,954.70 : x
  2. Step 2: Convert to fraction form
    620,810,426.70/930,424,383.45 = 329,816,954.70/x
  3. Step 3: Cross multiply
    620,810,426.70x = 930,424,383.45 × 329,816,954.70
  4. Step 4: Simplify right side
    620,810,426.70x = 306,869,736,728,104,064
  5. Step 5: Solve for x
    x = 306,869,736,728,104,064/620,810,426.70
  6. Step 6: Final answer
    x = 494,305,062.43

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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.