Home / 20,246,829,166.80-30,370,243,750.20-7,160,625,982.80

Finding the Fourth Proportional to 20,246,829,166.80, 30,370,243,750.20 and 7,160,625,982.80

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Solution

The fourth proportional to 20,246,829,166.80, 30,370,243,750.20 and 7,160,625,982.80 is: 10,740,938,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246,829,166.80 : 30,370,243,750.20 = 7,160,625,982.80 : x
  2. Step 2: Convert to fraction form
    20,246,829,166.80/30,370,243,750.20 = 7,160,625,982.80/x
  3. Step 3: Cross multiply
    20,246,829,166.80x = 30,370,243,750.20 × 7,160,625,982.80
  4. Step 4: Simplify right side
    20,246,829,166.80x = 217,469,956,501,651,456,000
  5. Step 5: Solve for x
    x = 217,469,956,501,651,456,000/20,246,829,166.80
  6. Step 6: Final answer
    x = 10,740,938,974.20

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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.