Home / 464,840,940.68-641,472,746.82-256,016,514.14

Finding the Fourth Proportional to 464,840,940.68, 641,472,746.82 and 256,016,514.14

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Solution

The fourth proportional to 464,840,940.68, 641,472,746.82 and 256,016,514.14 is: 353,298,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,840,940.68 : 641,472,746.82 = 256,016,514.14 : x
  2. Step 2: Convert to fraction form
    464,840,940.68/641,472,746.82 = 256,016,514.14/x
  3. Step 3: Cross multiply
    464,840,940.68x = 641,472,746.82 × 256,016,514.14
  4. Step 4: Simplify right side
    464,840,940.68x = 164,227,616,556,667,168
  5. Step 5: Solve for x
    x = 164,227,616,556,667,168/464,840,940.68
  6. Step 6: Final answer
    x = 353,298,520.39

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1.5x scale

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.