Home / 286,953,200,917.96-430,263,275,809.68-135,858,233,872.84

Finding the Fourth Proportional to 286,953,200,917.96, 430,263,275,809.68 and 135,858,233,872.84

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Solution

The fourth proportional to 286,953,200,917.96, 430,263,275,809.68 and 135,858,233,872.84 is: 203,708,509,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,953,200,917.96 : 430,263,275,809.68 = 135,858,233,872.84 : x
  2. Step 2: Convert to fraction form
    286,953,200,917.96/430,263,275,809.68 = 135,858,233,872.84/x
  3. Step 3: Cross multiply
    286,953,200,917.96x = 430,263,275,809.68 × 135,858,233,872.84
  4. Step 4: Simplify right side
    286,953,200,917.96x = 58,454,808,751,845,767,380,992
  5. Step 5: Solve for x
    x = 58,454,808,751,845,767,380,992/286,953,200,917.96
  6. Step 6: Final answer
    x = 203,708,509,139.64

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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.