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Finding the Fourth Proportional to 978,418,347.51, 1,467,627,518.84 and 356,680,207.29

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Solution

The fourth proportional to 978,418,347.51, 1,467,627,518.84 and 356,680,207.29 is: 535,020,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,418,347.51 : 1,467,627,518.84 = 356,680,207.29 : x
  2. Step 2: Convert to fraction form
    978,418,347.51/1,467,627,518.84 = 356,680,207.29/x
  3. Step 3: Cross multiply
    978,418,347.51x = 1,467,627,518.84 × 356,680,207.29
  4. Step 4: Simplify right side
    978,418,347.51x = 523,473,687,642,576,256
  5. Step 5: Solve for x
    x = 523,473,687,642,576,256/978,418,347.51
  6. Step 6: Final answer
    x = 535,020,310.05

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