Home / 1,512,034,137.80-2,268,051,206.70-1,098,785,616.20

Finding the Fourth Proportional to 1,512,034,137.80, 2,268,051,206.70 and 1,098,785,616.20

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Solution

The fourth proportional to 1,512,034,137.80, 2,268,051,206.70 and 1,098,785,616.20 is: 1,648,178,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,034,137.80 : 2,268,051,206.70 = 1,098,785,616.20 : x
  2. Step 2: Convert to fraction form
    1,512,034,137.80/2,268,051,206.70 = 1,098,785,616.20/x
  3. Step 3: Cross multiply
    1,512,034,137.80x = 2,268,051,206.70 × 1,098,785,616.20
  4. Step 4: Simplify right side
    1,512,034,137.80x = 2,492,102,042,727,012,864
  5. Step 5: Solve for x
    x = 2,492,102,042,727,012,864/1,512,034,137.80
  6. Step 6: Final answer
    x = 1,648,178,424.30

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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.