Home / 20,199,793,871.20-30,299,690,806.80-6,224,171,029.60

Finding the Fourth Proportional to 20,199,793,871.20, 30,299,690,806.80 and 6,224,171,029.60

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Solution

The fourth proportional to 20,199,793,871.20, 30,299,690,806.80 and 6,224,171,029.60 is: 9,336,256,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,793,871.20 : 30,299,690,806.80 = 6,224,171,029.60 : x
  2. Step 2: Convert to fraction form
    20,199,793,871.20/30,299,690,806.80 = 6,224,171,029.60/x
  3. Step 3: Cross multiply
    20,199,793,871.20x = 30,299,690,806.80 × 6,224,171,029.60
  4. Step 4: Simplify right side
    20,199,793,871.20x = 188,590,457,725,522,018,304
  5. Step 5: Solve for x
    x = 188,590,457,725,522,018,304/20,199,793,871.20
  6. Step 6: Final answer
    x = 9,336,256,544.40

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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.