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Finding the Fourth Proportional to 1,978,771,888.60, 2,967,402,005.70 and 598,127,536.60

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Solution

The fourth proportional to 1,978,771,888.60, 2,967,402,005.70 and 598,127,536.60 is: 896,962,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,771,888.60 : 2,967,402,005.70 = 598,127,536.60 : x
  2. Step 2: Convert to fraction form
    1,978,771,888.60/2,967,402,005.70 = 598,127,536.60/x
  3. Step 3: Cross multiply
    1,978,771,888.60x = 2,967,402,005.70 × 598,127,536.60
  4. Step 4: Simplify right side
    1,978,771,888.60x = 1,774,884,851,771,240,192
  5. Step 5: Solve for x
    x = 1,774,884,851,771,240,192/1,978,771,888.60
  6. Step 6: Final answer
    x = 896,962,839.42

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