Home / 511,362,413.04-705,679,825.89-276,413,077.17

Finding the Fourth Proportional to 511,362,413.04, 705,679,825.89 and 276,413,077.17

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Solution

The fourth proportional to 511,362,413.04, 705,679,825.89 and 276,413,077.17 is: 381,449,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,362,413.04 : 705,679,825.89 = 276,413,077.17 : x
  2. Step 2: Convert to fraction form
    511,362,413.04/705,679,825.89 = 276,413,077.17/x
  3. Step 3: Cross multiply
    511,362,413.04x = 705,679,825.89 × 276,413,077.17
  4. Step 4: Simplify right side
    511,362,413.04x = 195,059,132,171,044,736
  5. Step 5: Solve for x
    x = 195,059,132,171,044,736/511,362,413.04
  6. Step 6: Final answer
    x = 381,449,882.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.