Home / 15,469,446,054,763-21,347,901,924,229-8,438,197,430,376.40

Finding the Fourth Proportional to 15,469,446,054,763, 21,347,901,924,229 and 8,438,197,430,376.40

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Solution

The fourth proportional to 15,469,446,054,763, 21,347,901,924,229 and 8,438,197,430,376.40 is: 11,644,748,656,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469,446,054,763 : 21,347,901,924,229 = 8,438,197,430,376.40 : x
  2. Step 2: Convert to fraction form
    15,469,446,054,763/21,347,901,924,229 = 8,438,197,430,376.40/x
  3. Step 3: Cross multiply
    15,469,446,054,763x = 21,347,901,924,229 × 8,438,197,430,376.40
  4. Step 4: Simplify right side
    15,469,446,054,763x = 180,137,811,160,956,559,589,113,856
  5. Step 5: Solve for x
    x = 180,137,811,160,956,559,589,113,856/15,469,446,054,763
  6. Step 6: Final answer
    x = 11,644,748,656,367.86

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Double scale
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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.