Home / 511,332,776.46-705,638,808.46-276,383,436.17

Finding the Fourth Proportional to 511,332,776.46, 705,638,808.46 and 276,383,436.17

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Solution

The fourth proportional to 511,332,776.46, 705,638,808.46 and 276,383,436.17 is: 381,408,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,332,776.46 : 705,638,808.46 = 276,383,436.17 : x
  2. Step 2: Convert to fraction form
    511,332,776.46/705,638,808.46 = 276,383,436.17/x
  3. Step 3: Cross multiply
    511,332,776.46x = 705,638,808.46 × 276,383,436.17
  4. Step 4: Simplify right side
    511,332,776.46x = 195,026,878,580,266,656
  5. Step 5: Solve for x
    x = 195,026,878,580,266,656/511,332,776.46
  6. Step 6: Final answer
    x = 381,408,913.25

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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.