Home / 22,128,287,497.12-30,537,128,750.24-11,967,015,365.80

Finding the Fourth Proportional to 22,128,287,497.12, 30,537,128,750.24 and 11,967,015,365.80

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Solution

The fourth proportional to 22,128,287,497.12, 30,537,128,750.24 and 11,967,015,365.80 is: 16,514,530,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,287,497.12 : 30,537,128,750.24 = 11,967,015,365.80 : x
  2. Step 2: Convert to fraction form
    22,128,287,497.12/30,537,128,750.24 = 11,967,015,365.80/x
  3. Step 3: Cross multiply
    22,128,287,497.12x = 30,537,128,750.24 × 11,967,015,365.80
  4. Step 4: Simplify right side
    22,128,287,497.12x = 365,438,288,981,535,031,296
  5. Step 5: Solve for x
    x = 365,438,288,981,535,031,296/22,128,287,497.12
  6. Step 6: Final answer
    x = 16,514,530,960.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.