Home / 12,012,192,598.20-18,018,288,897.30-8,338,872,406.20

Finding the Fourth Proportional to 12,012,192,598.20, 18,018,288,897.30 and 8,338,872,406.20

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Solution

The fourth proportional to 12,012,192,598.20, 18,018,288,897.30 and 8,338,872,406.20 is: 12,508,308,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,192,598.20 : 18,018,288,897.30 = 8,338,872,406.20 : x
  2. Step 2: Convert to fraction form
    12,012,192,598.20/18,018,288,897.30 = 8,338,872,406.20/x
  3. Step 3: Cross multiply
    12,012,192,598.20x = 18,018,288,897.30 × 8,338,872,406.20
  4. Step 4: Simplify right side
    12,012,192,598.20x = 150,252,212,092,634,791,936
  5. Step 5: Solve for x
    x = 150,252,212,092,634,791,936/12,012,192,598.20
  6. Step 6: Final answer
    x = 12,508,308,609.30

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Double scale
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Similar ratio
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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.