Home / 699,219,439.04-964,922,921.91-385,953,719.42

Finding the Fourth Proportional to 699,219,439.04, 964,922,921.91 and 385,953,719.42

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Solution

The fourth proportional to 699,219,439.04, 964,922,921.91 and 385,953,719.42 is: 532,616,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,219,439.04 : 964,922,921.91 = 385,953,719.42 : x
  2. Step 2: Convert to fraction form
    699,219,439.04/964,922,921.91 = 385,953,719.42/x
  3. Step 3: Cross multiply
    699,219,439.04x = 964,922,921.91 × 385,953,719.42
  4. Step 4: Simplify right side
    699,219,439.04x = 372,415,590,659,954,112
  5. Step 5: Solve for x
    x = 372,415,590,659,954,112/699,219,439.04
  6. Step 6: Final answer
    x = 532,616,185.81

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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.