Home / 338,013,916.78-466,461,944.42-187,309,090.37

Finding the Fourth Proportional to 338,013,916.78, 466,461,944.42 and 187,309,090.37

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Solution

The fourth proportional to 338,013,916.78, 466,461,944.42 and 187,309,090.37 is: 258,488,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,013,916.78 : 466,461,944.42 = 187,309,090.37 : x
  2. Step 2: Convert to fraction form
    338,013,916.78/466,461,944.42 = 187,309,090.37/x
  3. Step 3: Cross multiply
    338,013,916.78x = 466,461,944.42 × 187,309,090.37
  4. Step 4: Simplify right side
    338,013,916.78x = 87,372,562,501,531,696
  5. Step 5: Solve for x
    x = 87,372,562,501,531,696/338,013,916.78
  6. Step 6: Final answer
    x = 258,488,062.66

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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.