Home / 511,684,125.75-706,124,094.65-276,734,786.22

Finding the Fourth Proportional to 511,684,125.75, 706,124,094.65 and 276,734,786.22

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Solution

The fourth proportional to 511,684,125.75, 706,124,094.65 and 276,734,786.22 is: 381,894,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,684,125.75 : 706,124,094.65 = 276,734,786.22 : x
  2. Step 2: Convert to fraction form
    511,684,125.75/706,124,094.65 = 276,734,786.22/x
  3. Step 3: Cross multiply
    511,684,125.75x = 706,124,094.65 × 276,734,786.22
  4. Step 4: Simplify right side
    511,684,125.75x = 195,409,100,376,375,136
  5. Step 5: Solve for x
    x = 195,409,100,376,375,136/511,684,125.75
  6. Step 6: Final answer
    x = 381,894,005.58

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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.