Home / 856,729,634.46-1,285,094,876.94-565,528,698.78

Finding the Fourth Proportional to 856,729,634.46, 1,285,094,876.94 and 565,528,698.78

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Solution

The fourth proportional to 856,729,634.46, 1,285,094,876.94 and 565,528,698.78 is: 848,293,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,729,634.46 : 1,285,094,876.94 = 565,528,698.78 : x
  2. Step 2: Convert to fraction form
    856,729,634.46/1,285,094,876.94 = 565,528,698.78/x
  3. Step 3: Cross multiply
    856,729,634.46x = 1,285,094,876.94 × 565,528,698.78
  4. Step 4: Simplify right side
    856,729,634.46x = 726,758,033,564,722,432
  5. Step 5: Solve for x
    x = 726,758,033,564,722,432/856,729,634.46
  6. Step 6: Final answer
    x = 848,293,328.88

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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.