Home / 511,158,323.62-705,398,456.67-276,208,977.41

Finding the Fourth Proportional to 511,158,323.62, 705,398,456.67 and 276,208,977.41

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Solution

The fourth proportional to 511,158,323.62, 705,398,456.67 and 276,208,977.41 is: 381,168,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,158,323.62 : 705,398,456.67 = 276,208,977.41 : x
  2. Step 2: Convert to fraction form
    511,158,323.62/705,398,456.67 = 276,208,977.41/x
  3. Step 3: Cross multiply
    511,158,323.62x = 705,398,456.67 × 276,208,977.41
  4. Step 4: Simplify right side
    511,158,323.62x = 194,837,386,383,050,432
  5. Step 5: Solve for x
    x = 194,837,386,383,050,432/511,158,323.62
  6. Step 6: Final answer
    x = 381,168,372.65

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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.