Home / 848,428,317.06-1,272,643,951.83-266,207,243.78

Finding the Fourth Proportional to 848,428,317.06, 1,272,643,951.83 and 266,207,243.78

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Solution

The fourth proportional to 848,428,317.06, 1,272,643,951.83 and 266,207,243.78 is: 399,311,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,428,317.06 : 1,272,643,951.83 = 266,207,243.78 : x
  2. Step 2: Convert to fraction form
    848,428,317.06/1,272,643,951.83 = 266,207,243.78/x
  3. Step 3: Cross multiply
    848,428,317.06x = 1,272,643,951.83 × 266,207,243.78
  4. Step 4: Simplify right side
    848,428,317.06x = 338,787,038,729,951,360
  5. Step 5: Solve for x
    x = 338,787,038,729,951,360/848,428,317.06
  6. Step 6: Final answer
    x = 399,311,328.86

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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.