Home / 605,328,605.55-907,992,908.33-329,112,145.80

Finding the Fourth Proportional to 605,328,605.55, 907,992,908.33 and 329,112,145.80

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Solution

The fourth proportional to 605,328,605.55, 907,992,908.33 and 329,112,145.80 is: 493,668,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,328,605.55 : 907,992,908.33 = 329,112,145.80 : x
  2. Step 2: Convert to fraction form
    605,328,605.55/907,992,908.33 = 329,112,145.80/x
  3. Step 3: Cross multiply
    605,328,605.55x = 907,992,908.33 × 329,112,145.80
  4. Step 4: Simplify right side
    605,328,605.55x = 298,831,494,430,023,488
  5. Step 5: Solve for x
    x = 298,831,494,430,023,488/605,328,605.55
  6. Step 6: Final answer
    x = 493,668,218.70

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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.