Home / 848,358,936.36-1,170,716,979.06-491,141,856.60

Finding the Fourth Proportional to 848,358,936.36, 1,170,716,979.06 and 491,141,856.60

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Solution

The fourth proportional to 848,358,936.36, 1,170,716,979.06 and 491,141,856.60 is: 677,765,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,358,936.36 : 1,170,716,979.06 = 491,141,856.60 : x
  2. Step 2: Convert to fraction form
    848,358,936.36/1,170,716,979.06 = 491,141,856.60/x
  3. Step 3: Cross multiply
    848,358,936.36x = 1,170,716,979.06 × 491,141,856.60
  4. Step 4: Simplify right side
    848,358,936.36x = 574,988,110,648,671,744
  5. Step 5: Solve for x
    x = 574,988,110,648,671,744/848,358,936.36
  6. Step 6: Final answer
    x = 677,765,136.91

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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.