Home / 479,531,078.13-661,752,879.72-259,514,504.13

Finding the Fourth Proportional to 479,531,078.13, 661,752,879.72 and 259,514,504.13

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Solution

The fourth proportional to 479,531,078.13, 661,752,879.72 and 259,514,504.13 is: 358,130,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,531,078.13 : 661,752,879.72 = 259,514,504.13 : x
  2. Step 2: Convert to fraction form
    479,531,078.13/661,752,879.72 = 259,514,504.13/x
  3. Step 3: Cross multiply
    479,531,078.13x = 661,752,879.72 × 259,514,504.13
  4. Step 4: Simplify right side
    479,531,078.13x = 171,734,470,437,135,328
  5. Step 5: Solve for x
    x = 171,734,470,437,135,328/479,531,078.13
  6. Step 6: Final answer
    x = 358,130,011.32

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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.