Home / 2,718,447,273.28-4,078,284,422.55-827,812,574.72

Finding the Fourth Proportional to 2,718,447,273.28, 4,078,284,422.55 and 827,812,574.72

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Solution

The fourth proportional to 2,718,447,273.28, 4,078,284,422.55 and 827,812,574.72 is: 1,241,905,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,447,273.28 : 4,078,284,422.55 = 827,812,574.72 : x
  2. Step 2: Convert to fraction form
    2,718,447,273.28/4,078,284,422.55 = 827,812,574.72/x
  3. Step 3: Cross multiply
    2,718,447,273.28x = 4,078,284,422.55 × 827,812,574.72
  4. Step 4: Simplify right side
    2,718,447,273.28x = 3,376,055,128,279,599,104
  5. Step 5: Solve for x
    x = 3,376,055,128,279,599,104/2,718,447,273.28
  6. Step 6: Final answer
    x = 1,241,905,686.92

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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.