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Finding the Fourth Proportional to 652,799,397.60, 978,348,790.80 and 264,304,216.80

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Solution

The fourth proportional to 652,799,397.60, 978,348,790.80 and 264,304,216.80 is: 396,112,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,799,397.60 : 978,348,790.80 = 264,304,216.80 : x
  2. Step 2: Convert to fraction form
    652,799,397.60/978,348,790.80 = 264,304,216.80/x
  3. Step 3: Cross multiply
    652,799,397.60x = 978,348,790.80 × 264,304,216.80
  4. Step 4: Simplify right side
    652,799,397.60x = 258,581,710,909,621,056
  5. Step 5: Solve for x
    x = 258,581,710,909,621,056/652,799,397.60
  6. Step 6: Final answer
    x = 396,112,055.04

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Why These Related Problems?

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