Home / 789,807,943.80-1,184,711,915.70-381,661,255.80

Finding the Fourth Proportional to 789,807,943.80, 1,184,711,915.70 and 381,661,255.80

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Solution

The fourth proportional to 789,807,943.80, 1,184,711,915.70 and 381,661,255.80 is: 572,491,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,807,943.80 : 1,184,711,915.70 = 381,661,255.80 : x
  2. Step 2: Convert to fraction form
    789,807,943.80/1,184,711,915.70 = 381,661,255.80/x
  3. Step 3: Cross multiply
    789,807,943.80x = 1,184,711,915.70 × 381,661,255.80
  4. Step 4: Simplify right side
    789,807,943.80x = 452,158,637,507,285,760
  5. Step 5: Solve for x
    x = 452,158,637,507,285,760/789,807,943.80
  6. Step 6: Final answer
    x = 572,491,883.70

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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.