Home / 865,795,185.51-1,299,139,276.46-405,780,089.19

Finding the Fourth Proportional to 865,795,185.51, 1,299,139,276.46 and 405,780,089.19

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Solution

The fourth proportional to 865,795,185.51, 1,299,139,276.46 and 405,780,089.19 is: 608,879,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,795,185.51 : 1,299,139,276.46 = 405,780,089.19 : x
  2. Step 2: Convert to fraction form
    865,795,185.51/1,299,139,276.46 = 405,780,089.19/x
  3. Step 3: Cross multiply
    865,795,185.51x = 1,299,139,276.46 × 405,780,089.19
  4. Step 4: Simplify right side
    865,795,185.51x = 527,164,851,470,141,952
  5. Step 5: Solve for x
    x = 527,164,851,470,141,952/865,795,185.51
  6. Step 6: Final answer
    x = 608,879,398.14

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