Home / 561,361,612.80-774,639,699.12-326,395,603.56

Finding the Fourth Proportional to 561,361,612.80, 774,639,699.12 and 326,395,603.56

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Solution

The fourth proportional to 561,361,612.80, 774,639,699.12 and 326,395,603.56 is: 450,403,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,361,612.80 : 774,639,699.12 = 326,395,603.56 : x
  2. Step 2: Convert to fraction form
    561,361,612.80/774,639,699.12 = 326,395,603.56/x
  3. Step 3: Cross multiply
    561,361,612.80x = 774,639,699.12 × 326,395,603.56
  4. Step 4: Simplify right side
    561,361,612.80x = 252,838,992,135,809,216
  5. Step 5: Solve for x
    x = 252,838,992,135,809,216/561,361,612.80
  6. Step 6: Final answer
    x = 450,403,067.06

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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.