Home / 13,356,009,109.20-20,034,013,663.80-12,213,198,382.80

Finding the Fourth Proportional to 13,356,009,109.20, 20,034,013,663.80 and 12,213,198,382.80

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Solution

The fourth proportional to 13,356,009,109.20, 20,034,013,663.80 and 12,213,198,382.80 is: 18,319,797,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,009,109.20 : 20,034,013,663.80 = 12,213,198,382.80 : x
  2. Step 2: Convert to fraction form
    13,356,009,109.20/20,034,013,663.80 = 12,213,198,382.80/x
  3. Step 3: Cross multiply
    13,356,009,109.20x = 20,034,013,663.80 × 12,213,198,382.80
  4. Step 4: Simplify right side
    13,356,009,109.20x = 244,679,383,279,715,254,272
  5. Step 5: Solve for x
    x = 244,679,383,279,715,254,272/13,356,009,109.20
  6. Step 6: Final answer
    x = 18,319,797,574.20

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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.