Home / 557,671,103.76-769,581,867.56-306,770,093.01

Finding the Fourth Proportional to 557,671,103.76, 769,581,867.56 and 306,770,093.01

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Solution

The fourth proportional to 557,671,103.76, 769,581,867.56 and 306,770,093.01 is: 423,340,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,671,103.76 : 769,581,867.56 = 306,770,093.01 : x
  2. Step 2: Convert to fraction form
    557,671,103.76/769,581,867.56 = 306,770,093.01/x
  3. Step 3: Cross multiply
    557,671,103.76x = 769,581,867.56 × 306,770,093.01
  4. Step 4: Simplify right side
    557,671,103.76x = 236,084,701,088,656,832
  5. Step 5: Solve for x
    x = 236,084,701,088,656,832/557,671,103.76
  6. Step 6: Final answer
    x = 423,340,387.37

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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.