Home / 620,810,426.20-930,424,382.70-329,816,954.20

Finding the Fourth Proportional to 620,810,426.20, 930,424,382.70 and 329,816,954.20

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Solution

The fourth proportional to 620,810,426.20, 930,424,382.70 and 329,816,954.20 is: 494,305,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,810,426.20 : 930,424,382.70 = 329,816,954.20 : x
  2. Step 2: Convert to fraction form
    620,810,426.20/930,424,382.70 = 329,816,954.20/x
  3. Step 3: Cross multiply
    620,810,426.20x = 930,424,382.70 × 329,816,954.20
  4. Step 4: Simplify right side
    620,810,426.20x = 306,869,736,015,529,152
  5. Step 5: Solve for x
    x = 306,869,736,015,529,152/620,810,426.20
  6. Step 6: Final answer
    x = 494,305,061.68

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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.