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Finding the Fourth Proportional to 561,456,000.40, 842,184,000.60 and 472,772,275.60

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Solution

The fourth proportional to 561,456,000.40, 842,184,000.60 and 472,772,275.60 is: 709,158,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,456,000.40 : 842,184,000.60 = 472,772,275.60 : x
  2. Step 2: Convert to fraction form
    561,456,000.40/842,184,000.60 = 472,772,275.60/x
  3. Step 3: Cross multiply
    561,456,000.40x = 842,184,000.60 × 472,772,275.60
  4. Step 4: Simplify right side
    561,456,000.40x = 398,161,246,437,573,824
  5. Step 5: Solve for x
    x = 398,161,246,437,573,824/561,456,000.40
  6. Step 6: Final answer
    x = 709,158,413.40

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