Home / 368,422,202.25-508,239,094.59-219,638,485.44

Finding the Fourth Proportional to 368,422,202.25, 508,239,094.59 and 219,638,485.44

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Solution

The fourth proportional to 368,422,202.25, 508,239,094.59 and 219,638,485.44 is: 302,991,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,422,202.25 : 508,239,094.59 = 219,638,485.44 : x
  2. Step 2: Convert to fraction form
    368,422,202.25/508,239,094.59 = 219,638,485.44/x
  3. Step 3: Cross multiply
    368,422,202.25x = 508,239,094.59 × 219,638,485.44
  4. Step 4: Simplify right side
    368,422,202.25x = 111,628,864,977,144,496
  5. Step 5: Solve for x
    x = 111,628,864,977,144,496/368,422,202.25
  6. Step 6: Final answer
    x = 302,991,688.06

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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.