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Finding the Fourth Proportional to 978,721,569.93, 1,468,219,963.67 and 314,512,908.40

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Solution

The fourth proportional to 978,721,569.93, 1,468,219,963.67 and 314,512,908.40 is: 471,813,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,721,569.93 : 1,468,219,963.67 = 314,512,908.40 : x
  2. Step 2: Convert to fraction form
    978,721,569.93/1,468,219,963.67 = 314,512,908.40/x
  3. Step 3: Cross multiply
    978,721,569.93x = 1,468,219,963.67 × 314,512,908.40
  4. Step 4: Simplify right side
    978,721,569.93x = 461,774,130,944,794,048
  5. Step 5: Solve for x
    x = 461,774,130,944,794,048/978,721,569.93
  6. Step 6: Final answer
    x = 471,813,583.28

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Why These Related Problems?

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