Home / 640,824,735.51-884,355,523.97-362,407,893.75

Finding the Fourth Proportional to 640,824,735.51, 884,355,523.97 and 362,407,893.75

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Solution

The fourth proportional to 640,824,735.51, 884,355,523.97 and 362,407,893.75 is: 500,132,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,824,735.51 : 884,355,523.97 = 362,407,893.75 : x
  2. Step 2: Convert to fraction form
    640,824,735.51/884,355,523.97 = 362,407,893.75/x
  3. Step 3: Cross multiply
    640,824,735.51x = 884,355,523.97 × 362,407,893.75
  4. Step 4: Simplify right side
    640,824,735.51x = 320,497,422,766,333,312
  5. Step 5: Solve for x
    x = 320,497,422,766,333,312/640,824,735.51
  6. Step 6: Final answer
    x = 500,132,727.42

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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.