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Finding the Fourth Proportional to 200,998,493.60, 301,497,740.40 and 168,120,010.40

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Solution

The fourth proportional to 200,998,493.60, 301,497,740.40 and 168,120,010.40 is: 252,180,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,998,493.60 : 301,497,740.40 = 168,120,010.40 : x
  2. Step 2: Convert to fraction form
    200,998,493.60/301,497,740.40 = 168,120,010.40/x
  3. Step 3: Cross multiply
    200,998,493.60x = 301,497,740.40 × 168,120,010.40
  4. Step 4: Simplify right side
    200,998,493.60x = 50,687,803,251,624,496
  5. Step 5: Solve for x
    x = 50,687,803,251,624,496/200,998,493.60
  6. Step 6: Final answer
    x = 252,180,015.60

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1.5x scale

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.