Home / 945,431,172.38-1,418,338,086.21-332,063,227.82

Finding the Fourth Proportional to 945,431,172.38, 1,418,338,086.21 and 332,063,227.82

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Solution

The fourth proportional to 945,431,172.38, 1,418,338,086.21 and 332,063,227.82 is: 498,162,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,431,172.38 : 1,418,338,086.21 = 332,063,227.82 : x
  2. Step 2: Convert to fraction form
    945,431,172.38/1,418,338,086.21 = 332,063,227.82/x
  3. Step 3: Cross multiply
    945,431,172.38x = 1,418,338,086.21 × 332,063,227.82
  4. Step 4: Simplify right side
    945,431,172.38x = 470,977,923,038,613,696
  5. Step 5: Solve for x
    x = 470,977,923,038,613,696/945,431,172.38
  6. Step 6: Final answer
    x = 498,162,041.62

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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.