Home / 305,914,338,489.40-422,163,099,581.45-166,868,650,360.65

Finding the Fourth Proportional to 305,914,338,489.40, 422,163,099,581.45 and 166,868,650,360.65

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Solution

The fourth proportional to 305,914,338,489.40, 422,163,099,581.45 and 166,868,650,360.65 is: 230,279,453,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,489.40 : 422,163,099,581.45 = 166,868,650,360.65 : x
  2. Step 2: Convert to fraction form
    305,914,338,489.40/422,163,099,581.45 = 166,868,650,360.65/x
  3. Step 3: Cross multiply
    305,914,338,489.40x = 422,163,099,581.45 × 166,868,650,360.65
  4. Step 4: Simplify right side
    305,914,338,489.40x = 70,445,786,659,225,251,872,768
  5. Step 5: Solve for x
    x = 70,445,786,659,225,251,872,768/305,914,338,489.40
  6. Step 6: Final answer
    x = 230,279,453,415.25

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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.