Home / 338,013,917.78-466,461,945.80-187,309,091.37

Finding the Fourth Proportional to 338,013,917.78, 466,461,945.80 and 187,309,091.37

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Solution

The fourth proportional to 338,013,917.78, 466,461,945.80 and 187,309,091.37 is: 258,488,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,013,917.78 : 466,461,945.80 = 187,309,091.37 : x
  2. Step 2: Convert to fraction form
    338,013,917.78/466,461,945.80 = 187,309,091.37/x
  3. Step 3: Cross multiply
    338,013,917.78x = 466,461,945.80 × 187,309,091.37
  4. Step 4: Simplify right side
    338,013,917.78x = 87,372,563,226,480,192
  5. Step 5: Solve for x
    x = 87,372,563,226,480,192/338,013,917.78
  6. Step 6: Final answer
    x = 258,488,064.04

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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.