Home / 223,524,516,917.36-308,462,264,154.78-122,026,402,240.39

Finding the Fourth Proportional to 223,524,516,917.36, 308,462,264,154.78 and 122,026,402,240.39

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Solution

The fourth proportional to 223,524,516,917.36, 308,462,264,154.78 and 122,026,402,240.39 is: 168,395,578,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,524,516,917.36 : 308,462,264,154.78 = 122,026,402,240.39 : x
  2. Step 2: Convert to fraction form
    223,524,516,917.36/308,462,264,154.78 = 122,026,402,240.39/x
  3. Step 3: Cross multiply
    223,524,516,917.36x = 308,462,264,154.78 × 122,026,402,240.39
  4. Step 4: Simplify right side
    223,524,516,917.36x = 37,640,540,321,732,622,286,848
  5. Step 5: Solve for x
    x = 37,640,540,321,732,622,286,848/223,524,516,917.36
  6. Step 6: Final answer
    x = 168,395,578,439.61

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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.