Home / 19,205,364,472.20-28,824,171,021.90-8,740,684,945.80

Finding the Fourth Proportional to 19,205,364,472.20, 28,824,171,021.90 and 8,740,684,945.80

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Solution

The fourth proportional to 19,205,364,472.20, 28,824,171,021.90 and 8,740,684,945.80 is: 13,118,365,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205,364,472.20 : 28,824,171,021.90 = 8,740,684,945.80 : x
  2. Step 2: Convert to fraction form
    19,205,364,472.20/28,824,171,021.90 = 8,740,684,945.80/x
  3. Step 3: Cross multiply
    19,205,364,472.20x = 28,824,171,021.90 × 8,740,684,945.80
  4. Step 4: Simplify right side
    19,205,364,472.20x = 251,942,997,726,285,922,304
  5. Step 5: Solve for x
    x = 251,942,997,726,285,922,304/19,205,364,472.20
  6. Step 6: Final answer
    x = 13,118,365,865.48

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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.