Home / 1,314,984,350.82-1,814,858,943.06-806,257,071.78

Finding the Fourth Proportional to 1,314,984,350.82, 1,814,858,943.06 and 806,257,071.78

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Solution

The fourth proportional to 1,314,984,350.82, 1,814,858,943.06 and 806,257,071.78 is: 1,112,745,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,984,350.82 : 1,814,858,943.06 = 806,257,071.78 : x
  2. Step 2: Convert to fraction form
    1,314,984,350.82/1,814,858,943.06 = 806,257,071.78/x
  3. Step 3: Cross multiply
    1,314,984,350.82x = 1,814,858,943.06 × 806,257,071.78
  4. Step 4: Simplify right side
    1,314,984,350.82x = 1,463,242,857,125,301,248
  5. Step 5: Solve for x
    x = 1,463,242,857,125,301,248/1,314,984,350.82
  6. Step 6: Final answer
    x = 1,112,745,452.99

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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.