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Finding the Fourth Proportional to 472,403,280.30, 708,604,920.45 and 459,648,696.30

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Solution

The fourth proportional to 472,403,280.30, 708,604,920.45 and 459,648,696.30 is: 689,473,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,403,280.30 : 708,604,920.45 = 459,648,696.30 : x
  2. Step 2: Convert to fraction form
    472,403,280.30/708,604,920.45 = 459,648,696.30/x
  3. Step 3: Cross multiply
    472,403,280.30x = 708,604,920.45 × 459,648,696.30
  4. Step 4: Simplify right side
    472,403,280.30x = 325,709,327,876,607,744
  5. Step 5: Solve for x
    x = 325,709,327,876,607,744/472,403,280.30
  6. Step 6: Final answer
    x = 689,473,044.45

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