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Finding the Fourth Proportional to 298,953,321.60, 448,429,982.40 and 250,485,902.40

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Solution

The fourth proportional to 298,953,321.60, 448,429,982.40 and 250,485,902.40 is: 375,728,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,953,321.60 : 448,429,982.40 = 250,485,902.40 : x
  2. Step 2: Convert to fraction form
    298,953,321.60/448,429,982.40 = 250,485,902.40/x
  3. Step 3: Cross multiply
    298,953,321.60x = 448,429,982.40 × 250,485,902.40
  4. Step 4: Simplify right side
    298,953,321.60x = 112,325,388,804,680,112
  5. Step 5: Solve for x
    x = 112,325,388,804,680,112/298,953,321.60
  6. Step 6: Final answer
    x = 375,728,853.60

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Why These Related Problems?

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