Home / 843,676,818.82-1,265,695,929.51-261,398,171.14

Finding the Fourth Proportional to 843,676,818.82, 1,265,695,929.51 and 261,398,171.14

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Solution

The fourth proportional to 843,676,818.82, 1,265,695,929.51 and 261,398,171.14 is: 392,153,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,676,818.82 : 1,265,695,929.51 = 261,398,171.14 : x
  2. Step 2: Convert to fraction form
    843,676,818.82/1,265,695,929.51 = 261,398,171.14/x
  3. Step 3: Cross multiply
    843,676,818.82x = 1,265,695,929.51 × 261,398,171.14
  4. Step 4: Simplify right side
    843,676,818.82x = 330,850,601,193,256,320
  5. Step 5: Solve for x
    x = 330,850,601,193,256,320/843,676,818.82
  6. Step 6: Final answer
    x = 392,153,243.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.