Home / 304,499,629.48-420,209,949.54-165,270,441.64

Finding the Fourth Proportional to 304,499,629.48, 420,209,949.54 and 165,270,441.64

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Solution

The fourth proportional to 304,499,629.48, 420,209,949.54 and 165,270,441.64 is: 228,073,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,499,629.48 : 420,209,949.54 = 165,270,441.64 : x
  2. Step 2: Convert to fraction form
    304,499,629.48/420,209,949.54 = 165,270,441.64/x
  3. Step 3: Cross multiply
    304,499,629.48x = 420,209,949.54 × 165,270,441.64
  4. Step 4: Simplify right side
    304,499,629.48x = 69,448,283,941,997,912
  5. Step 5: Solve for x
    x = 69,448,283,941,997,912/304,499,629.48
  6. Step 6: Final answer
    x = 228,073,459.60

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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.