Home / 12,120,508,269.40-18,180,762,404.10-11,447,066,234.20

Finding the Fourth Proportional to 12,120,508,269.40, 18,180,762,404.10 and 11,447,066,234.20

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Solution

The fourth proportional to 12,120,508,269.40, 18,180,762,404.10 and 11,447,066,234.20 is: 17,170,599,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,508,269.40 : 18,180,762,404.10 = 11,447,066,234.20 : x
  2. Step 2: Convert to fraction form
    12,120,508,269.40/18,180,762,404.10 = 11,447,066,234.20/x
  3. Step 3: Cross multiply
    12,120,508,269.40x = 18,180,762,404.10 × 11,447,066,234.20
  4. Step 4: Simplify right side
    12,120,508,269.40x = 208,116,391,427,985,932,288
  5. Step 5: Solve for x
    x = 208,116,391,427,985,932,288/12,120,508,269.40
  6. Step 6: Final answer
    x = 17,170,599,351.30

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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.