Home / 883,147,146.86-1,218,751,122.83-486,684,361.41

Finding the Fourth Proportional to 883,147,146.86, 1,218,751,122.83 and 486,684,361.41

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Solution

The fourth proportional to 883,147,146.86, 1,218,751,122.83 and 486,684,361.41 is: 671,628,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,146.86 : 1,218,751,122.83 = 486,684,361.41 : x
  2. Step 2: Convert to fraction form
    883,147,146.86/1,218,751,122.83 = 486,684,361.41/x
  3. Step 3: Cross multiply
    883,147,146.86x = 1,218,751,122.83 × 486,684,361.41
  4. Step 4: Simplify right side
    883,147,146.86x = 593,147,111,929,805,696
  5. Step 5: Solve for x
    x = 593,147,111,929,805,696/883,147,146.86
  6. Step 6: Final answer
    x = 671,628,860.54

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1.5x scale

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.