Home / 298,753,446.45-412,280,153.26-164,788,358.40

Finding the Fourth Proportional to 298,753,446.45, 412,280,153.26 and 164,788,358.40

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Solution

The fourth proportional to 298,753,446.45, 412,280,153.26 and 164,788,358.40 is: 227,408,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,753,446.45 : 412,280,153.26 = 164,788,358.40 : x
  2. Step 2: Convert to fraction form
    298,753,446.45/412,280,153.26 = 164,788,358.40/x
  3. Step 3: Cross multiply
    298,753,446.45x = 412,280,153.26 × 164,788,358.40
  4. Step 4: Simplify right side
    298,753,446.45x = 67,938,969,656,203,840
  5. Step 5: Solve for x
    x = 67,938,969,656,203,840/298,753,446.45
  6. Step 6: Final answer
    x = 227,408,153.66

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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.