Home / 883,147,296.94-1,218,751,330.42-486,684,511.86

Finding the Fourth Proportional to 883,147,296.94, 1,218,751,330.42 and 486,684,511.86

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Solution

The fourth proportional to 883,147,296.94, 1,218,751,330.42 and 486,684,511.86 is: 671,629,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,296.94 : 1,218,751,330.42 = 486,684,511.86 : x
  2. Step 2: Convert to fraction form
    883,147,296.94/1,218,751,330.42 = 486,684,511.86/x
  3. Step 3: Cross multiply
    883,147,296.94x = 1,218,751,330.42 × 486,684,511.86
  4. Step 4: Simplify right side
    883,147,296.94x = 593,147,396,324,183,296
  5. Step 5: Solve for x
    x = 593,147,396,324,183,296/883,147,296.94
  6. Step 6: Final answer
    x = 671,629,068.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.