Home / 902,152,233.39-1,244,947,860.52-500,263,761.39

Finding the Fourth Proportional to 902,152,233.39, 1,244,947,860.52 and 500,263,761.39

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Solution

The fourth proportional to 902,152,233.39, 1,244,947,860.52 and 500,263,761.39 is: 690,351,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,152,233.39 : 1,244,947,860.52 = 500,263,761.39 : x
  2. Step 2: Convert to fraction form
    902,152,233.39/1,244,947,860.52 = 500,263,761.39/x
  3. Step 3: Cross multiply
    902,152,233.39x = 1,244,947,860.52 × 500,263,761.39
  4. Step 4: Simplify right side
    902,152,233.39x = 622,802,299,438,168,192
  5. Step 5: Solve for x
    x = 622,802,299,438,168,192/902,152,233.39
  6. Step 6: Final answer
    x = 690,351,668.36

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Double scale
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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.