Home / 294,729,372,815.60-406,726,531,336.16-159,398,553,251.45

Finding the Fourth Proportional to 294,729,372,815.60, 406,726,531,336.16 and 159,398,553,251.45

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Solution

The fourth proportional to 294,729,372,815.60, 406,726,531,336.16 and 159,398,553,251.45 is: 219,970,001,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,729,372,815.60 : 406,726,531,336.16 = 159,398,553,251.45 : x
  2. Step 2: Convert to fraction form
    294,729,372,815.60/406,726,531,336.16 = 159,398,553,251.45/x
  3. Step 3: Cross multiply
    294,729,372,815.60x = 406,726,531,336.16 × 159,398,553,251.45
  4. Step 4: Simplify right side
    294,729,372,815.60x = 64,831,620,663,964,449,374,208
  5. Step 5: Solve for x
    x = 64,831,620,663,964,449,374,208/294,729,372,815.60
  6. Step 6: Final answer
    x = 219,970,001,783.73

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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.