Home / 557,415,016.62-769,281,743.39-306,563,607.64

Finding the Fourth Proportional to 557,415,016.62, 769,281,743.39 and 306,563,607.64

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Solution

The fourth proportional to 557,415,016.62, 769,281,743.39 and 306,563,607.64 is: 423,084,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,415,016.62 : 769,281,743.39 = 306,563,607.64 : x
  2. Step 2: Convert to fraction form
    557,415,016.62/769,281,743.39 = 306,563,607.64/x
  3. Step 3: Cross multiply
    557,415,016.62x = 769,281,743.39 × 306,563,607.64
  4. Step 4: Simplify right side
    557,415,016.62x = 235,833,786,545,227,104
  5. Step 5: Solve for x
    x = 235,833,786,545,227,104/557,415,016.62
  6. Step 6: Final answer
    x = 423,084,738.50

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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.