Home / 12,702,280,324.15-19,055,591,179.97-5,236,782,086.13

Finding the Fourth Proportional to 12,702,280,324.15, 19,055,591,179.97 and 5,236,782,086.13

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Solution

The fourth proportional to 12,702,280,324.15, 19,055,591,179.97 and 5,236,782,086.13 is: 7,856,068,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702,280,324.15 : 19,055,591,179.97 = 5,236,782,086.13 : x
  2. Step 2: Convert to fraction form
    12,702,280,324.15/19,055,591,179.97 = 5,236,782,086.13/x
  3. Step 3: Cross multiply
    12,702,280,324.15x = 19,055,591,179.97 × 5,236,782,086.13
  4. Step 4: Simplify right side
    12,702,280,324.15x = 99,789,978,531,857,547,264
  5. Step 5: Solve for x
    x = 99,789,978,531,857,547,264/12,702,280,324.15
  6. Step 6: Final answer
    x = 7,856,068,043.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.