Home / 808,790,803.80-1,213,186,205.70-482,273,453.40

Finding the Fourth Proportional to 808,790,803.80, 1,213,186,205.70 and 482,273,453.40

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Solution

The fourth proportional to 808,790,803.80, 1,213,186,205.70 and 482,273,453.40 is: 723,410,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,790,803.80 : 1,213,186,205.70 = 482,273,453.40 : x
  2. Step 2: Convert to fraction form
    808,790,803.80/1,213,186,205.70 = 482,273,453.40/x
  3. Step 3: Cross multiply
    808,790,803.80x = 1,213,186,205.70 × 482,273,453.40
  4. Step 4: Simplify right side
    808,790,803.80x = 585,087,501,040,181,760
  5. Step 5: Solve for x
    x = 585,087,501,040,181,760/808,790,803.80
  6. Step 6: Final answer
    x = 723,410,180.10

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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.