Home / 511,362,391.56-705,679,795.89-276,413,055.18

Finding the Fourth Proportional to 511,362,391.56, 705,679,795.89 and 276,413,055.18

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Solution

The fourth proportional to 511,362,391.56, 705,679,795.89 and 276,413,055.18 is: 381,449,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,362,391.56 : 705,679,795.89 = 276,413,055.18 : x
  2. Step 2: Convert to fraction form
    511,362,391.56/705,679,795.89 = 276,413,055.18/x
  3. Step 3: Cross multiply
    511,362,391.56x = 705,679,795.89 × 276,413,055.18
  4. Step 4: Simplify right side
    511,362,391.56x = 195,059,108,360,753,696
  5. Step 5: Solve for x
    x = 195,059,108,360,753,696/511,362,391.56
  6. Step 6: Final answer
    x = 381,449,851.57

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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.