Home / 20,190,403,990.80-30,285,605,986.20-16,750,550,422.80

Finding the Fourth Proportional to 20,190,403,990.80, 30,285,605,986.20 and 16,750,550,422.80

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Solution

The fourth proportional to 20,190,403,990.80, 30,285,605,986.20 and 16,750,550,422.80 is: 25,125,825,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,403,990.80 : 30,285,605,986.20 = 16,750,550,422.80 : x
  2. Step 2: Convert to fraction form
    20,190,403,990.80/30,285,605,986.20 = 16,750,550,422.80/x
  3. Step 3: Cross multiply
    20,190,403,990.80x = 30,285,605,986.20 × 16,750,550,422.80
  4. Step 4: Simplify right side
    20,190,403,990.80x = 507,300,570,156,896,616,448
  5. Step 5: Solve for x
    x = 507,300,570,156,896,616,448/20,190,403,990.80
  6. Step 6: Final answer
    x = 25,125,825,634.20

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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.