Home / 381,280,406.82-526,124,860.08-213,978,295.44

Finding the Fourth Proportional to 381,280,406.82, 526,124,860.08 and 213,978,295.44

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Solution

The fourth proportional to 381,280,406.82, 526,124,860.08 and 213,978,295.44 is: 295,266,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,280,406.82 : 526,124,860.08 = 213,978,295.44 : x
  2. Step 2: Convert to fraction form
    381,280,406.82/526,124,860.08 = 213,978,295.44/x
  3. Step 3: Cross multiply
    381,280,406.82x = 526,124,860.08 × 213,978,295.44
  4. Step 4: Simplify right side
    381,280,406.82x = 112,579,300,748,526,896
  5. Step 5: Solve for x
    x = 112,579,300,748,526,896/381,280,406.82
  6. Step 6: Final answer
    x = 295,266,420.03

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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.