Home / 462,672,032.80-694,008,049.20-203,753,977.60

Finding the Fourth Proportional to 462,672,032.80, 694,008,049.20 and 203,753,977.60

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Solution

The fourth proportional to 462,672,032.80, 694,008,049.20 and 203,753,977.60 is: 305,630,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,672,032.80 : 694,008,049.20 = 203,753,977.60 : x
  2. Step 2: Convert to fraction form
    462,672,032.80/694,008,049.20 = 203,753,977.60/x
  3. Step 3: Cross multiply
    462,672,032.80x = 694,008,049.20 × 203,753,977.60
  4. Step 4: Simplify right side
    462,672,032.80x = 141,406,900,510,916,496
  5. Step 5: Solve for x
    x = 141,406,900,510,916,496/462,672,032.80
  6. Step 6: Final answer
    x = 305,630,966.40

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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.