Home / 479,710,778.22-662,001,095.43-259,694,204.22

Finding the Fourth Proportional to 479,710,778.22, 662,001,095.43 and 259,694,204.22

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Solution

The fourth proportional to 479,710,778.22, 662,001,095.43 and 259,694,204.22 is: 358,378,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,710,778.22 : 662,001,095.43 = 259,694,204.22 : x
  2. Step 2: Convert to fraction form
    479,710,778.22/662,001,095.43 = 259,694,204.22/x
  3. Step 3: Cross multiply
    479,710,778.22x = 662,001,095.43 × 259,694,204.22
  4. Step 4: Simplify right side
    479,710,778.22x = 171,917,847,670,462,112
  5. Step 5: Solve for x
    x = 171,917,847,670,462,112/479,710,778.22
  6. Step 6: Final answer
    x = 358,378,121.73

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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.