Home / 18,360,372,519.60-27,540,558,779.40-11,013,732,135.60

Finding the Fourth Proportional to 18,360,372,519.60, 27,540,558,779.40 and 11,013,732,135.60

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Solution

The fourth proportional to 18,360,372,519.60, 27,540,558,779.40 and 11,013,732,135.60 is: 16,520,598,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360,372,519.60 : 27,540,558,779.40 = 11,013,732,135.60 : x
  2. Step 2: Convert to fraction form
    18,360,372,519.60/27,540,558,779.40 = 11,013,732,135.60/x
  3. Step 3: Cross multiply
    18,360,372,519.60x = 27,540,558,779.40 × 11,013,732,135.60
  4. Step 4: Simplify right side
    18,360,372,519.60x = 303,324,337,261,058,523,136
  5. Step 5: Solve for x
    x = 303,324,337,261,058,523,136/18,360,372,519.60
  6. Step 6: Final answer
    x = 16,520,598,203.40

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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.