Home / 427,949,548.77-641,476,339.53-179,097,393.41

Finding the Fourth Proportional to 427,949,548.77, 641,476,339.53 and 179,097,393.41

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Solution

The fourth proportional to 427,949,548.77, 641,476,339.53 and 179,097,393.41 is: 268,458,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,949,548.77 : 641,476,339.53 = 179,097,393.41 : x
  2. Step 2: Convert to fraction form
    427,949,548.77/641,476,339.53 = 179,097,393.41/x
  3. Step 3: Cross multiply
    427,949,548.77x = 641,476,339.53 × 179,097,393.41
  4. Step 4: Simplify right side
    427,949,548.77x = 114,886,740,344,011,136
  5. Step 5: Solve for x
    x = 114,886,740,344,011,136/427,949,548.77
  6. Step 6: Final answer
    x = 268,458,608.44

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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.