Home / 516,612,997.44-774,922,350.32-128,435,828.32

Finding the Fourth Proportional to 516,612,997.44, 774,922,350.32 and 128,435,828.32

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Solution

The fourth proportional to 516,612,997.44, 774,922,350.32 and 128,435,828.32 is: 192,654,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,612,997.44 : 774,922,350.32 = 128,435,828.32 : x
  2. Step 2: Convert to fraction form
    516,612,997.44/774,922,350.32 = 128,435,828.32/x
  3. Step 3: Cross multiply
    516,612,997.44x = 774,922,350.32 × 128,435,828.32
  4. Step 4: Simplify right side
    516,612,997.44x = 99,527,793,947,030,416
  5. Step 5: Solve for x
    x = 99,527,793,947,030,416/516,612,997.44
  6. Step 6: Final answer
    x = 192,654,452.06

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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.