Home / 252,011,966.40-378,017,949.60-200,993,630.40

Finding the Fourth Proportional to 252,011,966.40, 378,017,949.60 and 200,993,630.40

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Solution

The fourth proportional to 252,011,966.40, 378,017,949.60 and 200,993,630.40 is: 301,490,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,011,966.40 : 378,017,949.60 = 200,993,630.40 : x
  2. Step 2: Convert to fraction form
    252,011,966.40/378,017,949.60 = 200,993,630.40/x
  3. Step 3: Cross multiply
    252,011,966.40x = 378,017,949.60 × 200,993,630.40
  4. Step 4: Simplify right side
    252,011,966.40x = 75,979,200,046,468,240
  5. Step 5: Solve for x
    x = 75,979,200,046,468,240/252,011,966.40
  6. Step 6: Final answer
    x = 301,490,445.60

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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.