Home / 305,181,988,377.85-457,785,615,909.43-90,050,526,654.15

Finding the Fourth Proportional to 305,181,988,377.85, 457,785,615,909.43 and 90,050,526,654.15

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Solution

The fourth proportional to 305,181,988,377.85, 457,785,615,909.43 and 90,050,526,654.15 is: 135,079,517,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,181,988,377.85 : 457,785,615,909.43 = 90,050,526,654.15 : x
  2. Step 2: Convert to fraction form
    305,181,988,377.85/457,785,615,909.43 = 90,050,526,654.15/x
  3. Step 3: Cross multiply
    305,181,988,377.85x = 457,785,615,909.43 × 90,050,526,654.15
  4. Step 4: Simplify right side
    305,181,988,377.85x = 41,223,835,807,338,597,449,728
  5. Step 5: Solve for x
    x = 41,223,835,807,338,597,449,728/305,181,988,377.85
  6. Step 6: Final answer
    x = 135,079,517,721.40

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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.