Home / 256,556,509.41-384,795,880.68-69,825,003.66

Finding the Fourth Proportional to 256,556,509.41, 384,795,880.68 and 69,825,003.66

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Solution

The fourth proportional to 256,556,509.41, 384,795,880.68 and 69,825,003.66 is: 104,726,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,556,509.41 : 384,795,880.68 = 69,825,003.66 : x
  2. Step 2: Convert to fraction form
    256,556,509.41/384,795,880.68 = 69,825,003.66/x
  3. Step 3: Cross multiply
    256,556,509.41x = 384,795,880.68 × 69,825,003.66
  4. Step 4: Simplify right side
    256,556,509.41x = 26,868,373,775,084,508
  5. Step 5: Solve for x
    x = 26,868,373,775,084,508/256,556,509.41
  6. Step 6: Final answer
    x = 104,726,922.88

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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.