Home / 20,196,398,539.60-30,294,597,809.40-5,474,419,957.60

Finding the Fourth Proportional to 20,196,398,539.60, 30,294,597,809.40 and 5,474,419,957.60

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Solution

The fourth proportional to 20,196,398,539.60, 30,294,597,809.40 and 5,474,419,957.60 is: 8,211,629,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,398,539.60 : 30,294,597,809.40 = 5,474,419,957.60 : x
  2. Step 2: Convert to fraction form
    20,196,398,539.60/30,294,597,809.40 = 5,474,419,957.60/x
  3. Step 3: Cross multiply
    20,196,398,539.60x = 30,294,597,809.40 × 5,474,419,957.60
  4. Step 4: Simplify right side
    20,196,398,539.60x = 165,845,350,855,244,611,584
  5. Step 5: Solve for x
    x = 165,845,350,855,244,611,584/20,196,398,539.60
  6. Step 6: Final answer
    x = 8,211,629,936.40

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1.5x scale

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.