Home / 1,978,597,292,578.30-2,966,196,148,499.80-687,640,824,145.80

Finding the Fourth Proportional to 1,978,597,292,578.30, 2,966,196,148,499.80 and 687,640,824,145.80

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Solution

The fourth proportional to 1,978,597,292,578.30, 2,966,196,148,499.80 and 687,640,824,145.80 is: 1,030,870,491,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,597,292,578.30 : 2,966,196,148,499.80 = 687,640,824,145.80 : x
  2. Step 2: Convert to fraction form
    1,978,597,292,578.30/2,966,196,148,499.80 = 687,640,824,145.80/x
  3. Step 3: Cross multiply
    1,978,597,292,578.30x = 2,966,196,148,499.80 × 687,640,824,145.80
  4. Step 4: Simplify right side
    1,978,597,292,578.30x = 2,039,677,564,132,500,325,793,792
  5. Step 5: Solve for x
    x = 2,039,677,564,132,500,325,793,792/1,978,597,292,578.30
  6. Step 6: Final answer
    x = 1,030,870,491,829.39

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