Home / 856,992,556.56-1,182,662,686.16-480,732,550.32

Finding the Fourth Proportional to 856,992,556.56, 1,182,662,686.16 and 480,732,550.32

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Solution

The fourth proportional to 856,992,556.56, 1,182,662,686.16 and 480,732,550.32 is: 663,418,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,992,556.56 : 1,182,662,686.16 = 480,732,550.32 : x
  2. Step 2: Convert to fraction form
    856,992,556.56/1,182,662,686.16 = 480,732,550.32/x
  3. Step 3: Cross multiply
    856,992,556.56x = 1,182,662,686.16 × 480,732,550.32
  4. Step 4: Simplify right side
    856,992,556.56x = 568,544,449,285,998,592
  5. Step 5: Solve for x
    x = 568,544,449,285,998,592/856,992,556.56
  6. Step 6: Final answer
    x = 663,418,188.33

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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.