Home / 620,810,425.20-930,424,381.20-329,816,953.20

Finding the Fourth Proportional to 620,810,425.20, 930,424,381.20 and 329,816,953.20

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Solution

The fourth proportional to 620,810,425.20, 930,424,381.20 and 329,816,953.20 is: 494,305,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,810,425.20 : 930,424,381.20 = 329,816,953.20 : x
  2. Step 2: Convert to fraction form
    620,810,425.20/930,424,381.20 = 329,816,953.20/x
  3. Step 3: Cross multiply
    620,810,425.20x = 930,424,381.20 × 329,816,953.20
  4. Step 4: Simplify right side
    620,810,425.20x = 306,869,734,590,379,392
  5. Step 5: Solve for x
    x = 306,869,734,590,379,392/620,810,425.20
  6. Step 6: Final answer
    x = 494,305,060.18

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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.