Home / 38,744,679,976.60-53,467,657,877.82-20,923,335,907.96

Finding the Fourth Proportional to 38,744,679,976.60, 53,467,657,877.82 and 20,923,335,907.96

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Solution

The fourth proportional to 38,744,679,976.60, 53,467,657,877.82 and 20,923,335,907.96 is: 28,874,203,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,744,679,976.60 : 53,467,657,877.82 = 20,923,335,907.96 : x
  2. Step 2: Convert to fraction form
    38,744,679,976.60/53,467,657,877.82 = 20,923,335,907.96/x
  3. Step 3: Cross multiply
    38,744,679,976.60x = 53,467,657,877.82 × 20,923,335,907.96
  4. Step 4: Simplify right side
    38,744,679,976.60x = 1,118,721,765,989,511,462,912
  5. Step 5: Solve for x
    x = 1,118,721,765,989,511,462,912/38,744,679,976.60
  6. Step 6: Final answer
    x = 28,874,203,288.43

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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.