Home / 1,319,578,660,673.40-1,978,299,839,458.80-412,549,584,821.48

Finding the Fourth Proportional to 1,319,578,660,673.40, 1,978,299,839,458.80 and 412,549,584,821.48

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Solution

The fourth proportional to 1,319,578,660,673.40, 1,978,299,839,458.80 and 412,549,584,821.48 is: 618,490,433,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,578,660,673.40 : 1,978,299,839,458.80 = 412,549,584,821.48 : x
  2. Step 2: Convert to fraction form
    1,319,578,660,673.40/1,978,299,839,458.80 = 412,549,584,821.48/x
  3. Step 3: Cross multiply
    1,319,578,660,673.40x = 1,978,299,839,458.80 × 412,549,584,821.48
  4. Step 4: Simplify right side
    1,319,578,660,673.40x = 816,146,777,421,128,463,810,560
  5. Step 5: Solve for x
    x = 816,146,777,421,128,463,810,560/1,319,578,660,673.40
  6. Step 6: Final answer
    x = 618,490,433,154.35

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