Home / 1,086,086,441.92-1,498,848,643.56-640,068,629.44

Finding the Fourth Proportional to 1,086,086,441.92, 1,498,848,643.56 and 640,068,629.44

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Solution

The fourth proportional to 1,086,086,441.92, 1,498,848,643.56 and 640,068,629.44 is: 883,323,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,086,441.92 : 1,498,848,643.56 = 640,068,629.44 : x
  2. Step 2: Convert to fraction form
    1,086,086,441.92/1,498,848,643.56 = 640,068,629.44/x
  3. Step 3: Cross multiply
    1,086,086,441.92x = 1,498,848,643.56 × 640,068,629.44
  4. Step 4: Simplify right side
    1,086,086,441.92x = 959,365,997,021,452,288
  5. Step 5: Solve for x
    x = 959,365,997,021,452,288/1,086,086,441.92
  6. Step 6: Final answer
    x = 883,323,794.49

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1.5x scale

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.