Home / 386,673,417.58-533,654,753.98-217,155,514.48

Finding the Fourth Proportional to 386,673,417.58, 533,654,753.98 and 217,155,514.48

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Solution

The fourth proportional to 386,673,417.58, 533,654,753.98 and 217,155,514.48 is: 299,700,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,673,417.58 : 533,654,753.98 = 217,155,514.48 : x
  2. Step 2: Convert to fraction form
    386,673,417.58/533,654,753.98 = 217,155,514.48/x
  3. Step 3: Cross multiply
    386,673,417.58x = 533,654,753.98 × 217,155,514.48
  4. Step 4: Simplify right side
    386,673,417.58x = 115,886,072,655,224,720
  5. Step 5: Solve for x
    x = 115,886,072,655,224,720/386,673,417.58
  6. Step 6: Final answer
    x = 299,700,127.77

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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.