Home / 640,824,733.26-884,355,520.86-362,407,891.50

Finding the Fourth Proportional to 640,824,733.26, 884,355,520.86 and 362,407,891.50

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Solution

The fourth proportional to 640,824,733.26, 884,355,520.86 and 362,407,891.50 is: 500,132,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,824,733.26 : 884,355,520.86 = 362,407,891.50 : x
  2. Step 2: Convert to fraction form
    640,824,733.26/884,355,520.86 = 362,407,891.50/x
  3. Step 3: Cross multiply
    640,824,733.26x = 884,355,520.86 × 362,407,891.50
  4. Step 4: Simplify right side
    640,824,733.26x = 320,497,419,651,256,896
  5. Step 5: Solve for x
    x = 320,497,419,651,256,896/640,824,733.26
  6. Step 6: Final answer
    x = 500,132,724.31

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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.