Home / 29,068,623,342.31-40,122,163,945.89-18,932,609,245.90

Finding the Fourth Proportional to 29,068,623,342.31, 40,122,163,945.89 and 18,932,609,245.90

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Solution

The fourth proportional to 29,068,623,342.31, 40,122,163,945.89 and 18,932,609,245.90 is: 26,131,861,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068,623,342.31 : 40,122,163,945.89 = 18,932,609,245.90 : x
  2. Step 2: Convert to fraction form
    29,068,623,342.31/40,122,163,945.89 = 18,932,609,245.90/x
  3. Step 3: Cross multiply
    29,068,623,342.31x = 40,122,163,945.89 × 18,932,609,245.90
  4. Step 4: Simplify right side
    29,068,623,342.31x = 759,617,252,087,472,717,824
  5. Step 5: Solve for x
    x = 759,617,252,087,472,717,824/29,068,623,342.31
  6. Step 6: Final answer
    x = 26,131,861,944.14

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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.