Home / 13,907,825,602.80-20,861,738,404.20-8,384,240,425.20

Finding the Fourth Proportional to 13,907,825,602.80, 20,861,738,404.20 and 8,384,240,425.20

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Solution

The fourth proportional to 13,907,825,602.80, 20,861,738,404.20 and 8,384,240,425.20 is: 12,576,360,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,825,602.80 : 20,861,738,404.20 = 8,384,240,425.20 : x
  2. Step 2: Convert to fraction form
    13,907,825,602.80/20,861,738,404.20 = 8,384,240,425.20/x
  3. Step 3: Cross multiply
    13,907,825,602.80x = 20,861,738,404.20 × 8,384,240,425.20
  4. Step 4: Simplify right side
    13,907,825,602.80x = 174,909,830,468,440,981,504
  5. Step 5: Solve for x
    x = 174,909,830,468,440,981,504/13,907,825,602.80
  6. Step 6: Final answer
    x = 12,576,360,637.80

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Double scale
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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.