Home / 806,118,495.54-1,208,615,556.33-357,177,709.79

Finding the Fourth Proportional to 806,118,495.54, 1,208,615,556.33 and 357,177,709.79

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Solution

The fourth proportional to 806,118,495.54, 1,208,615,556.33 and 357,177,709.79 is: 535,517,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,118,495.54 : 1,208,615,556.33 = 357,177,709.79 : x
  2. Step 2: Convert to fraction form
    806,118,495.54/1,208,615,556.33 = 357,177,709.79/x
  3. Step 3: Cross multiply
    806,118,495.54x = 1,208,615,556.33 × 357,177,709.79
  4. Step 4: Simplify right side
    806,118,495.54x = 431,690,536,422,601,728
  5. Step 5: Solve for x
    x = 431,690,536,422,601,728/806,118,495.54
  6. Step 6: Final answer
    x = 535,517,468.97

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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.