Home / 9,400,353,232.72-12,972,078,464.07-5,170,996,951.24

Finding the Fourth Proportional to 9,400,353,232.72, 12,972,078,464.07 and 5,170,996,951.24

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Solution

The fourth proportional to 9,400,353,232.72, 12,972,078,464.07 and 5,170,996,951.24 is: 7,135,750,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400,353,232.72 : 12,972,078,464.07 = 5,170,996,951.24 : x
  2. Step 2: Convert to fraction form
    9,400,353,232.72/12,972,078,464.07 = 5,170,996,951.24/x
  3. Step 3: Cross multiply
    9,400,353,232.72x = 12,972,078,464.07 × 5,170,996,951.24
  4. Step 4: Simplify right side
    9,400,353,232.72x = 67,078,578,188,952,027,136
  5. Step 5: Solve for x
    x = 67,078,578,188,952,027,136/9,400,353,232.72
  6. Step 6: Final answer
    x = 7,135,750,809.39

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Double scale
Find fourth proportional to 9,400,353,233.72, 12,972,078,465.45 and 5,170,996,952.24
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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.