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Finding the Fourth Proportional to 487,664,413.80, 672,978,652.92 and 264,646,047

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Solution

The fourth proportional to 487,664,413.80, 672,978,652.92 and 264,646,047 is: 365,212,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,664,413.80 : 672,978,652.92 = 264,646,047 : x
  2. Step 2: Convert to fraction form
    487,664,413.80/672,978,652.92 = 264,646,047/x
  3. Step 3: Cross multiply
    487,664,413.80x = 672,978,652.92 × 264,646,047
  4. Step 4: Simplify right side
    487,664,413.80x = 178,101,140,210,663,008
  5. Step 5: Solve for x
    x = 178,101,140,210,663,008/487,664,413.80
  6. Step 6: Final answer
    x = 365,212,501.00

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