Home / 13,421,977,613.19-18,530,264,885.90-11,932,743,549.87

Finding the Fourth Proportional to 13,421,977,613.19, 18,530,264,885.90 and 11,932,743,549.87

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Solution

The fourth proportional to 13,421,977,613.19, 18,530,264,885.90 and 11,932,743,549.87 is: 16,474,241,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,421,977,613.19 : 18,530,264,885.90 = 11,932,743,549.87 : x
  2. Step 2: Convert to fraction form
    13,421,977,613.19/18,530,264,885.90 = 11,932,743,549.87/x
  3. Step 3: Cross multiply
    13,421,977,613.19x = 18,530,264,885.90 × 11,932,743,549.87
  4. Step 4: Simplify right side
    13,421,977,613.19x = 221,116,898,794,546,135,040
  5. Step 5: Solve for x
    x = 221,116,898,794,546,135,040/13,421,977,613.19
  6. Step 6: Final answer
    x = 16,474,241,364.94

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Double scale
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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.