Home / 789,818,722.80-1,184,728,084.20-381,672,034.80

Finding the Fourth Proportional to 789,818,722.80, 1,184,728,084.20 and 381,672,034.80

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Solution

The fourth proportional to 789,818,722.80, 1,184,728,084.20 and 381,672,034.80 is: 572,508,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,818,722.80 : 1,184,728,084.20 = 381,672,034.80 : x
  2. Step 2: Convert to fraction form
    789,818,722.80/1,184,728,084.20 = 381,672,034.80/x
  3. Step 3: Cross multiply
    789,818,722.80x = 1,184,728,084.20 × 381,672,034.80
  4. Step 4: Simplify right side
    789,818,722.80x = 452,177,578,581,319,744
  5. Step 5: Solve for x
    x = 452,177,578,581,319,744/789,818,722.80
  6. Step 6: Final answer
    x = 572,508,052.20

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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.