Home / 883,147,120.56-1,218,751,086.58-486,684,335.18

Finding the Fourth Proportional to 883,147,120.56, 1,218,751,086.58 and 486,684,335.18

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Solution

The fourth proportional to 883,147,120.56, 1,218,751,086.58 and 486,684,335.18 is: 671,628,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,120.56 : 1,218,751,086.58 = 486,684,335.18 : x
  2. Step 2: Convert to fraction form
    883,147,120.56/1,218,751,086.58 = 486,684,335.18/x
  3. Step 3: Cross multiply
    883,147,120.56x = 1,218,751,086.58 × 486,684,335.18
  4. Step 4: Simplify right side
    883,147,120.56x = 593,147,062,323,920,128
  5. Step 5: Solve for x
    x = 593,147,062,323,920,128/883,147,120.56
  6. Step 6: Final answer
    x = 671,628,824.37

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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.