Home / 368,361,303.69-508,335,481.31-203,345,330.25

Finding the Fourth Proportional to 368,361,303.69, 508,335,481.31 and 203,345,330.25

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Solution

The fourth proportional to 368,361,303.69, 508,335,481.31 and 203,345,330.25 is: 280,614,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,361,303.69 : 508,335,481.31 = 203,345,330.25 : x
  2. Step 2: Convert to fraction form
    368,361,303.69/508,335,481.31 = 203,345,330.25/x
  3. Step 3: Cross multiply
    368,361,303.69x = 508,335,481.31 × 203,345,330.25
  4. Step 4: Simplify right side
    368,361,303.69x = 103,367,646,323,757,920
  5. Step 5: Solve for x
    x = 103,367,646,323,757,920/368,361,303.69
  6. Step 6: Final answer
    x = 280,614,834.64

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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.