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Finding the Fourth Proportional to 281,881,805.40, 395,037,635.40 and 281,881,805.40

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Solution

The fourth proportional to 281,881,805.40, 395,037,635.40 and 281,881,805.40 is: 395,037,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,881,805.40 : 395,037,635.40 = 281,881,805.40 : x
  2. Step 2: Convert to fraction form
    281,881,805.40/395,037,635.40 = 281,881,805.40/x
  3. Step 3: Cross multiply
    281,881,805.40x = 395,037,635.40 × 281,881,805.40
  4. Step 4: Simplify right side
    281,881,805.40x = 111,353,921,867,498,928
  5. Step 5: Solve for x
    x = 111,353,921,867,498,928/281,881,805.40
  6. Step 6: Final answer
    x = 395,037,635.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.