Home / 486,883,128,609.45-671,619,564,253.80-303,662,136,067.33

Finding the Fourth Proportional to 486,883,128,609.45, 671,619,564,253.80 and 303,662,136,067.33

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Solution

The fourth proportional to 486,883,128,609.45, 671,619,564,253.80 and 303,662,136,067.33 is: 418,879,643,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,883,128,609.45 : 671,619,564,253.80 = 303,662,136,067.33 : x
  2. Step 2: Convert to fraction form
    486,883,128,609.45/671,619,564,253.80 = 303,662,136,067.33/x
  3. Step 3: Cross multiply
    486,883,128,609.45x = 671,619,564,253.80 × 303,662,136,067.33
  4. Step 4: Simplify right side
    486,883,128,609.45x = 203,945,431,505,918,337,482,752
  5. Step 5: Solve for x
    x = 203,945,431,505,918,337,482,752/486,883,128,609.45
  6. Step 6: Final answer
    x = 418,879,643,844.70

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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.