Home / 3,019,381,369.20-4,529,072,053.80-838,347,505.20

Finding the Fourth Proportional to 3,019,381,369.20, 4,529,072,053.80 and 838,347,505.20

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Solution

The fourth proportional to 3,019,381,369.20, 4,529,072,053.80 and 838,347,505.20 is: 1,257,521,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,381,369.20 : 4,529,072,053.80 = 838,347,505.20 : x
  2. Step 2: Convert to fraction form
    3,019,381,369.20/4,529,072,053.80 = 838,347,505.20/x
  3. Step 3: Cross multiply
    3,019,381,369.20x = 4,529,072,053.80 × 838,347,505.20
  4. Step 4: Simplify right side
    3,019,381,369.20x = 3,796,936,257,174,270,464
  5. Step 5: Solve for x
    x = 3,796,936,257,174,270,464/3,019,381,369.20
  6. Step 6: Final answer
    x = 1,257,521,257.80

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1.5x scale

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.