Home / 15,469,446,054,739-21,347,901,924,194-8,438,197,430,351.40

Finding the Fourth Proportional to 15,469,446,054,739, 21,347,901,924,194 and 8,438,197,430,351.40

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Solution

The fourth proportional to 15,469,446,054,739, 21,347,901,924,194 and 8,438,197,430,351.40 is: 11,644,748,656,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469,446,054,739 : 21,347,901,924,194 = 8,438,197,430,351.40 : x
  2. Step 2: Convert to fraction form
    15,469,446,054,739/21,347,901,924,194 = 8,438,197,430,351.40/x
  3. Step 3: Cross multiply
    15,469,446,054,739x = 21,347,901,924,194 × 8,438,197,430,351.40
  4. Step 4: Simplify right side
    15,469,446,054,739x = 180,137,811,160,127,527,821,770,752
  5. Step 5: Solve for x
    x = 180,137,811,160,127,527,821,770,752/15,469,446,054,739
  6. Step 6: Final answer
    x = 11,644,748,656,332.34

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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.