Home / 1,319,578,657,678.60-1,978,299,834,964.70-412,549,581,825.33

Finding the Fourth Proportional to 1,319,578,657,678.60, 1,978,299,834,964.70 and 412,549,581,825.33

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Solution

The fourth proportional to 1,319,578,657,678.60, 1,978,299,834,964.70 and 412,549,581,825.33 is: 618,490,428,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,578,657,678.60 : 1,978,299,834,964.70 = 412,549,581,825.33 : x
  2. Step 2: Convert to fraction form
    1,319,578,657,678.60/1,978,299,834,964.70 = 412,549,581,825.33/x
  3. Step 3: Cross multiply
    1,319,578,657,678.60x = 1,978,299,834,964.70 × 412,549,581,825.33
  4. Step 4: Simplify right side
    1,319,578,657,678.60x = 816,146,769,639,806,290,886,656
  5. Step 5: Solve for x
    x = 816,146,769,639,806,290,886,656/1,319,578,657,678.60
  6. Step 6: Final answer
    x = 618,490,428,661.20

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