Home / 579,001,514.85-868,292,028.68-316,879,788.96

Finding the Fourth Proportional to 579,001,514.85, 868,292,028.68 and 316,879,788.96

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Solution

The fourth proportional to 579,001,514.85, 868,292,028.68 and 316,879,788.96 is: 475,204,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,001,514.85 : 868,292,028.68 = 316,879,788.96 : x
  2. Step 2: Convert to fraction form
    579,001,514.85/868,292,028.68 = 316,879,788.96/x
  3. Step 3: Cross multiply
    579,001,514.85x = 868,292,028.68 × 316,879,788.96
  4. Step 4: Simplify right side
    579,001,514.85x = 275,144,194,802,184,224
  5. Step 5: Solve for x
    x = 275,144,194,802,184,224/579,001,514.85
  6. Step 6: Final answer
    x = 475,204,619.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.