Home / 368,135,005.83-508,025,954.48-203,122,583.43

Finding the Fourth Proportional to 368,135,005.83, 508,025,954.48 and 203,122,583.43

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Solution

The fourth proportional to 368,135,005.83, 508,025,954.48 and 203,122,583.43 is: 280,308,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,135,005.83 : 508,025,954.48 = 203,122,583.43 : x
  2. Step 2: Convert to fraction form
    368,135,005.83/508,025,954.48 = 203,122,583.43/x
  3. Step 3: Cross multiply
    368,135,005.83x = 508,025,954.48 × 203,122,583.43
  4. Step 4: Simplify right side
    368,135,005.83x = 103,191,544,322,453,584
  5. Step 5: Solve for x
    x = 103,191,544,322,453,584/368,135,005.83
  6. Step 6: Final answer
    x = 280,308,970.05

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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.