Home / 2,212,994,620.76-3,053,942,098.68-1,209,432,769.88

Finding the Fourth Proportional to 2,212,994,620.76, 3,053,942,098.68 and 1,209,432,769.88

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Solution

The fourth proportional to 2,212,994,620.76, 3,053,942,098.68 and 1,209,432,769.88 is: 1,669,022,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,994,620.76 : 3,053,942,098.68 = 1,209,432,769.88 : x
  2. Step 2: Convert to fraction form
    2,212,994,620.76/3,053,942,098.68 = 1,209,432,769.88/x
  3. Step 3: Cross multiply
    2,212,994,620.76x = 3,053,942,098.68 × 1,209,432,769.88
  4. Step 4: Simplify right side
    2,212,994,620.76x = 3,693,537,651,459,693,056
  5. Step 5: Solve for x
    x = 3,693,537,651,459,693,056/2,212,994,620.76
  6. Step 6: Final answer
    x = 1,669,022,426.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.