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Finding the Fourth Proportional to 304,128,216.40, 456,192,324.60 and 304,128,216.40

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Solution

The fourth proportional to 304,128,216.40, 456,192,324.60 and 304,128,216.40 is: 456,192,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128,216.40 : 456,192,324.60 = 304,128,216.40 : x
  2. Step 2: Convert to fraction form
    304,128,216.40/456,192,324.60 = 304,128,216.40/x
  3. Step 3: Cross multiply
    304,128,216.40x = 456,192,324.60 × 304,128,216.40
  4. Step 4: Simplify right side
    304,128,216.40x = 138,740,958,015,967,840
  5. Step 5: Solve for x
    x = 138,740,958,015,967,840/304,128,216.40
  6. Step 6: Final answer
    x = 456,192,324.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.