Home / 1,990,657,176.40-2,985,985,764.60-1,978,563,941.20

Finding the Fourth Proportional to 1,990,657,176.40, 2,985,985,764.60 and 1,978,563,941.20

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Solution

The fourth proportional to 1,990,657,176.40, 2,985,985,764.60 and 1,978,563,941.20 is: 2,967,845,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,176.40 : 2,985,985,764.60 = 1,978,563,941.20 : x
  2. Step 2: Convert to fraction form
    1,990,657,176.40/2,985,985,764.60 = 1,978,563,941.20/x
  3. Step 3: Cross multiply
    1,990,657,176.40x = 2,985,985,764.60 × 1,978,563,941.20
  4. Step 4: Simplify right side
    1,990,657,176.40x = 5,907,963,762,774,071,296
  5. Step 5: Solve for x
    x = 5,907,963,762,774,071,296/1,990,657,176.40
  6. Step 6: Final answer
    x = 2,967,845,911.80

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