Home / 1,990,657,214.40-2,985,985,821.60-1,978,563,979.20

Finding the Fourth Proportional to 1,990,657,214.40, 2,985,985,821.60 and 1,978,563,979.20

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Solution

The fourth proportional to 1,990,657,214.40, 2,985,985,821.60 and 1,978,563,979.20 is: 2,967,845,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,214.40 : 2,985,985,821.60 = 1,978,563,979.20 : x
  2. Step 2: Convert to fraction form
    1,990,657,214.40/2,985,985,821.60 = 1,978,563,979.20/x
  3. Step 3: Cross multiply
    1,990,657,214.40x = 2,985,985,821.60 × 1,978,563,979.20
  4. Step 4: Simplify right side
    1,990,657,214.40x = 5,907,963,989,019,677,696
  5. Step 5: Solve for x
    x = 5,907,963,989,019,677,696/1,990,657,214.40
  6. Step 6: Final answer
    x = 2,967,845,968.80

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Why These Related Problems?

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