Home / 7,989,993,402.88-11,026,174,920.96-4,469,728,218.88

Finding the Fourth Proportional to 7,989,993,402.88, 11,026,174,920.96 and 4,469,728,218.88

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Solution

The fourth proportional to 7,989,993,402.88, 11,026,174,920.96 and 4,469,728,218.88 is: 6,168,216,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,993,402.88 : 11,026,174,920.96 = 4,469,728,218.88 : x
  2. Step 2: Convert to fraction form
    7,989,993,402.88/11,026,174,920.96 = 4,469,728,218.88/x
  3. Step 3: Cross multiply
    7,989,993,402.88x = 11,026,174,920.96 × 4,469,728,218.88
  4. Step 4: Simplify right side
    7,989,993,402.88x = 49,284,005,190,521,864,192
  5. Step 5: Solve for x
    x = 49,284,005,190,521,864,192/7,989,993,402.88
  6. Step 6: Final answer
    x = 6,168,216,005.38

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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.