Home / 1,809,162,802.20-2,713,744,203.30-774,128,310.60

Finding the Fourth Proportional to 1,809,162,802.20, 2,713,744,203.30 and 774,128,310.60

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Solution

The fourth proportional to 1,809,162,802.20, 2,713,744,203.30 and 774,128,310.60 is: 1,161,192,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,162,802.20 : 2,713,744,203.30 = 774,128,310.60 : x
  2. Step 2: Convert to fraction form
    1,809,162,802.20/2,713,744,203.30 = 774,128,310.60/x
  3. Step 3: Cross multiply
    1,809,162,802.20x = 2,713,744,203.30 × 774,128,310.60
  4. Step 4: Simplify right side
    1,809,162,802.20x = 2,100,786,215,501,172,224
  5. Step 5: Solve for x
    x = 2,100,786,215,501,172,224/1,809,162,802.20
  6. Step 6: Final answer
    x = 1,161,192,465.90

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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.