Home / 469,072,128.33-647,050,595.76-292,553,665.92

Finding the Fourth Proportional to 469,072,128.33, 647,050,595.76 and 292,553,665.92

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Solution

The fourth proportional to 469,072,128.33, 647,050,595.76 and 292,553,665.92 is: 403,556,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,072,128.33 : 647,050,595.76 = 292,553,665.92 : x
  2. Step 2: Convert to fraction form
    469,072,128.33/647,050,595.76 = 292,553,665.92/x
  3. Step 3: Cross multiply
    469,072,128.33x = 647,050,595.76 × 292,553,665.92
  4. Step 4: Simplify right side
    469,072,128.33x = 189,297,023,825,308,032
  5. Step 5: Solve for x
    x = 189,297,023,825,308,032/469,072,128.33
  6. Step 6: Final answer
    x = 403,556,324.05

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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.