Home / 605,328,612.30-907,992,918.45-329,112,152.55

Finding the Fourth Proportional to 605,328,612.30, 907,992,918.45 and 329,112,152.55

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Solution

The fourth proportional to 605,328,612.30, 907,992,918.45 and 329,112,152.55 is: 493,668,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,328,612.30 : 907,992,918.45 = 329,112,152.55 : x
  2. Step 2: Convert to fraction form
    605,328,612.30/907,992,918.45 = 329,112,152.55/x
  3. Step 3: Cross multiply
    605,328,612.30x = 907,992,918.45 × 329,112,152.55
  4. Step 4: Simplify right side
    605,328,612.30x = 298,831,503,891,236,160
  5. Step 5: Solve for x
    x = 298,831,503,891,236,160/605,328,612.30
  6. Step 6: Final answer
    x = 493,668,228.83

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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.