Home / 20,705,220,672.10-31,057,831,008.15-17,399,232,499.30

Finding the Fourth Proportional to 20,705,220,672.10, 31,057,831,008.15 and 17,399,232,499.30

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Solution

The fourth proportional to 20,705,220,672.10, 31,057,831,008.15 and 17,399,232,499.30 is: 26,098,848,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,220,672.10 : 31,057,831,008.15 = 17,399,232,499.30 : x
  2. Step 2: Convert to fraction form
    20,705,220,672.10/31,057,831,008.15 = 17,399,232,499.30/x
  3. Step 3: Cross multiply
    20,705,220,672.10x = 31,057,831,008.15 × 17,399,232,499.30
  4. Step 4: Simplify right side
    20,705,220,672.10x = 540,382,422,634,770,792,448
  5. Step 5: Solve for x
    x = 540,382,422,634,770,792,448/20,705,220,672.10
  6. Step 6: Final answer
    x = 26,098,848,748.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.