Home / 79,618,737,279.29-109,873,114,889.51-43,489,755,875.63

Finding the Fourth Proportional to 79,618,737,279.29, 109,873,114,889.51 and 43,489,755,875.63

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Solution

The fourth proportional to 79,618,737,279.29, 109,873,114,889.51 and 43,489,755,875.63 is: 60,015,457,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618,737,279.29 : 109,873,114,889.51 = 43,489,755,875.63 : x
  2. Step 2: Convert to fraction form
    79,618,737,279.29/109,873,114,889.51 = 43,489,755,875.63/x
  3. Step 3: Cross multiply
    79,618,737,279.29x = 109,873,114,889.51 × 43,489,755,875.63
  4. Step 4: Simplify right side
    79,618,737,279.29x = 4,778,354,943,840,057,556,992
  5. Step 5: Solve for x
    x = 4,778,354,943,840,057,556,992/79,618,737,279.29
  6. Step 6: Final answer
    x = 60,015,457,505.67

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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.