Home / 511,362,392.42-705,679,797.45-276,413,056.53

Finding the Fourth Proportional to 511,362,392.42, 705,679,797.45 and 276,413,056.53

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Solution

The fourth proportional to 511,362,392.42, 705,679,797.45 and 276,413,056.53 is: 381,449,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,362,392.42 : 705,679,797.45 = 276,413,056.53 : x
  2. Step 2: Convert to fraction form
    511,362,392.42/705,679,797.45 = 276,413,056.53/x
  3. Step 3: Cross multiply
    511,362,392.42x = 705,679,797.45 × 276,413,056.53
  4. Step 4: Simplify right side
    511,362,392.42x = 195,059,109,744,625,792
  5. Step 5: Solve for x
    x = 195,059,109,744,625,792/511,362,392.42
  6. Step 6: Final answer
    x = 381,449,853.64

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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.