Home / 1,990,657,178.40-2,985,985,767.60-1,978,563,943.20

Finding the Fourth Proportional to 1,990,657,178.40, 2,985,985,767.60 and 1,978,563,943.20

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Solution

The fourth proportional to 1,990,657,178.40, 2,985,985,767.60 and 1,978,563,943.20 is: 2,967,845,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,178.40 : 2,985,985,767.60 = 1,978,563,943.20 : x
  2. Step 2: Convert to fraction form
    1,990,657,178.40/2,985,985,767.60 = 1,978,563,943.20/x
  3. Step 3: Cross multiply
    1,990,657,178.40x = 2,985,985,767.60 × 1,978,563,943.20
  4. Step 4: Simplify right side
    1,990,657,178.40x = 5,907,963,774,681,735,168
  5. Step 5: Solve for x
    x = 5,907,963,774,681,735,168/1,990,657,178.40
  6. Step 6: Final answer
    x = 2,967,845,914.80

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