Home / 378,638,227.08-568,137,209.49-262,232,719.11

Finding the Fourth Proportional to 378,638,227.08, 568,137,209.49 and 262,232,719.11

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Solution

The fourth proportional to 378,638,227.08, 568,137,209.49 and 262,232,719.11 is: 393,473,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,638,227.08 : 568,137,209.49 = 262,232,719.11 : x
  2. Step 2: Convert to fraction form
    378,638,227.08/568,137,209.49 = 262,232,719.11/x
  3. Step 3: Cross multiply
    378,638,227.08x = 568,137,209.49 × 262,232,719.11
  4. Step 4: Simplify right side
    378,638,227.08x = 148,984,165,272,130,400
  5. Step 5: Solve for x
    x = 148,984,165,272,130,400/378,638,227.08
  6. Step 6: Final answer
    x = 393,473,650.09

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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.