Home / 705,093,049.20-1,057,639,573.80-633,667,378.80

Finding the Fourth Proportional to 705,093,049.20, 1,057,639,573.80 and 633,667,378.80

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Solution

The fourth proportional to 705,093,049.20, 1,057,639,573.80 and 633,667,378.80 is: 950,501,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,093,049.20 : 1,057,639,573.80 = 633,667,378.80 : x
  2. Step 2: Convert to fraction form
    705,093,049.20/1,057,639,573.80 = 633,667,378.80/x
  3. Step 3: Cross multiply
    705,093,049.20x = 1,057,639,573.80 × 633,667,378.80
  4. Step 4: Simplify right side
    705,093,049.20x = 670,191,696,444,995,072
  5. Step 5: Solve for x
    x = 670,191,696,444,995,072/705,093,049.20
  6. Step 6: Final answer
    x = 950,501,068.20

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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.