Home / 1,455,878,784.20-2,183,818,176.30-809,646,528.20

Finding the Fourth Proportional to 1,455,878,784.20, 2,183,818,176.30 and 809,646,528.20

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Solution

The fourth proportional to 1,455,878,784.20, 2,183,818,176.30 and 809,646,528.20 is: 1,214,469,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,878,784.20 : 2,183,818,176.30 = 809,646,528.20 : x
  2. Step 2: Convert to fraction form
    1,455,878,784.20/2,183,818,176.30 = 809,646,528.20/x
  3. Step 3: Cross multiply
    1,455,878,784.20x = 2,183,818,176.30 × 809,646,528.20
  4. Step 4: Simplify right side
    1,455,878,784.20x = 1,768,120,804,661,350,656
  5. Step 5: Solve for x
    x = 1,768,120,804,661,350,656/1,455,878,784.20
  6. Step 6: Final answer
    x = 1,214,469,792.30

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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.