Home / 7,082,770,827.47-9,770,693,412.75-4,222,896,078.20

Finding the Fourth Proportional to 7,082,770,827.47, 9,770,693,412.75 and 4,222,896,078.20

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Solution

The fourth proportional to 7,082,770,827.47, 9,770,693,412.75 and 4,222,896,078.20 is: 5,825,491,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082,770,827.47 : 9,770,693,412.75 = 4,222,896,078.20 : x
  2. Step 2: Convert to fraction form
    7,082,770,827.47/9,770,693,412.75 = 4,222,896,078.20/x
  3. Step 3: Cross multiply
    7,082,770,827.47x = 9,770,693,412.75 × 4,222,896,078.20
  4. Step 4: Simplify right side
    7,082,770,827.47x = 41,260,622,893,996,548,096
  5. Step 5: Solve for x
    x = 41,260,622,893,996,548,096/7,082,770,827.47
  6. Step 6: Final answer
    x = 5,825,491,731.85

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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.