Home / 806,118,495.91-1,208,615,556.89-357,177,710.16

Finding the Fourth Proportional to 806,118,495.91, 1,208,615,556.89 and 357,177,710.16

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Solution

The fourth proportional to 806,118,495.91, 1,208,615,556.89 and 357,177,710.16 is: 535,517,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,118,495.91 : 1,208,615,556.89 = 357,177,710.16 : x
  2. Step 2: Convert to fraction form
    806,118,495.91/1,208,615,556.89 = 357,177,710.16/x
  3. Step 3: Cross multiply
    806,118,495.91x = 1,208,615,556.89 × 357,177,710.16
  4. Step 4: Simplify right side
    806,118,495.91x = 431,690,537,073,723,456
  5. Step 5: Solve for x
    x = 431,690,537,073,723,456/806,118,495.91
  6. Step 6: Final answer
    x = 535,517,469.53

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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.