Home / 2,215,202,670.82-3,056,316,020.36-1,275,381,148.78

Finding the Fourth Proportional to 2,215,202,670.82, 3,056,316,020.36 and 1,275,381,148.78

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Solution

The fourth proportional to 2,215,202,670.82, 3,056,316,020.36 and 1,275,381,148.78 is: 1,759,643,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,202,670.82 : 3,056,316,020.36 = 1,275,381,148.78 : x
  2. Step 2: Convert to fraction form
    2,215,202,670.82/3,056,316,020.36 = 1,275,381,148.78/x
  3. Step 3: Cross multiply
    2,215,202,670.82x = 3,056,316,020.36 × 1,275,381,148.78
  4. Step 4: Simplify right side
    2,215,202,670.82x = 3,897,967,837,081,454,592
  5. Step 5: Solve for x
    x = 3,897,967,837,081,454,592/2,215,202,670.82
  6. Step 6: Final answer
    x = 1,759,643,886.51

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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.