Home / 823,681,736.88-1,136,702,994.36-484,613,880.72

Finding the Fourth Proportional to 823,681,736.88, 1,136,702,994.36 and 484,613,880.72

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Solution

The fourth proportional to 823,681,736.88, 1,136,702,994.36 and 484,613,880.72 is: 668,780,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,681,736.88 : 1,136,702,994.36 = 484,613,880.72 : x
  2. Step 2: Convert to fraction form
    823,681,736.88/1,136,702,994.36 = 484,613,880.72/x
  3. Step 3: Cross multiply
    823,681,736.88x = 1,136,702,994.36 × 484,613,880.72
  4. Step 4: Simplify right side
    823,681,736.88x = 550,862,049,322,843,840
  5. Step 5: Solve for x
    x = 550,862,049,322,843,840/823,681,736.88
  6. Step 6: Final answer
    x = 668,780,215.29

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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.