Home / 511,362,391.42-705,679,796.07-276,413,055.53

Finding the Fourth Proportional to 511,362,391.42, 705,679,796.07 and 276,413,055.53

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Solution

The fourth proportional to 511,362,391.42, 705,679,796.07 and 276,413,055.53 is: 381,449,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,362,391.42 : 705,679,796.07 = 276,413,055.53 : x
  2. Step 2: Convert to fraction form
    511,362,391.42/705,679,796.07 = 276,413,055.53/x
  3. Step 3: Cross multiply
    511,362,391.42x = 705,679,796.07 × 276,413,055.53
  4. Step 4: Simplify right side
    511,362,391.42x = 195,059,108,656,113,920
  5. Step 5: Solve for x
    x = 195,059,108,656,113,920/511,362,391.42
  6. Step 6: Final answer
    x = 381,449,852.26

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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.