Home / 511,684,125.74-706,124,094.64-276,734,786.21

Finding the Fourth Proportional to 511,684,125.74, 706,124,094.64 and 276,734,786.21

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Solution

The fourth proportional to 511,684,125.74, 706,124,094.64 and 276,734,786.21 is: 381,894,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,684,125.74 : 706,124,094.64 = 276,734,786.21 : x
  2. Step 2: Convert to fraction form
    511,684,125.74/706,124,094.64 = 276,734,786.21/x
  3. Step 3: Cross multiply
    511,684,125.74x = 706,124,094.64 × 276,734,786.21
  4. Step 4: Simplify right side
    511,684,125.74x = 195,409,100,366,355,744
  5. Step 5: Solve for x
    x = 195,409,100,366,355,744/511,684,125.74
  6. Step 6: Final answer
    x = 381,894,005.57

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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.