Home / 790,422,443.24-1,091,278,778.96-508,654,435.04

Finding the Fourth Proportional to 790,422,443.24, 1,091,278,778.96 and 508,654,435.04

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Solution

The fourth proportional to 790,422,443.24, 1,091,278,778.96 and 508,654,435.04 is: 702,262,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,422,443.24 : 1,091,278,778.96 = 508,654,435.04 : x
  2. Step 2: Convert to fraction form
    790,422,443.24/1,091,278,778.96 = 508,654,435.04/x
  3. Step 3: Cross multiply
    790,422,443.24x = 1,091,278,778.96 × 508,654,435.04
  4. Step 4: Simplify right side
    790,422,443.24x = 555,083,790,783,039,872
  5. Step 5: Solve for x
    x = 555,083,790,783,039,872/790,422,443.24
  6. Step 6: Final answer
    x = 702,262,183.38

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Double scale
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1.5x scale

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.