Home / 2,278,077,996.48-3,143,869,698.24-1,274,435,691.84

Finding the Fourth Proportional to 2,278,077,996.48, 3,143,869,698.24 and 1,274,435,691.84

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Solution

The fourth proportional to 2,278,077,996.48, 3,143,869,698.24 and 1,274,435,691.84 is: 1,758,789,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,077,996.48 : 3,143,869,698.24 = 1,274,435,691.84 : x
  2. Step 2: Convert to fraction form
    2,278,077,996.48/3,143,869,698.24 = 1,274,435,691.84/x
  3. Step 3: Cross multiply
    2,278,077,996.48x = 3,143,869,698.24 × 1,274,435,691.84
  4. Step 4: Simplify right side
    2,278,077,996.48x = 4,006,659,753,931,305,984
  5. Step 5: Solve for x
    x = 4,006,659,753,931,305,984/2,278,077,996.48
  6. Step 6: Final answer
    x = 1,758,789,541.06

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Double scale
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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.