Home / 451,556,116.34-623,414,604.11-284,435,629.71

Finding the Fourth Proportional to 451,556,116.34, 623,414,604.11 and 284,435,629.71

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Solution

The fourth proportional to 451,556,116.34, 623,414,604.11 and 284,435,629.71 is: 392,689,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,556,116.34 : 623,414,604.11 = 284,435,629.71 : x
  2. Step 2: Convert to fraction form
    451,556,116.34/623,414,604.11 = 284,435,629.71/x
  3. Step 3: Cross multiply
    451,556,116.34x = 623,414,604.11 × 284,435,629.71
  4. Step 4: Simplify right side
    451,556,116.34x = 177,321,325,490,438,208
  5. Step 5: Solve for x
    x = 177,321,325,490,438,208/451,556,116.34
  6. Step 6: Final answer
    x = 392,689,455.58

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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.