Home / 879,370,019.44-1,319,097,452.33-289,147,191.97

Finding the Fourth Proportional to 879,370,019.44, 1,319,097,452.33 and 289,147,191.97

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Solution

The fourth proportional to 879,370,019.44, 1,319,097,452.33 and 289,147,191.97 is: 433,734,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,370,019.44 : 1,319,097,452.33 = 289,147,191.97 : x
  2. Step 2: Convert to fraction form
    879,370,019.44/1,319,097,452.33 = 289,147,191.97/x
  3. Step 3: Cross multiply
    879,370,019.44x = 1,319,097,452.33 × 289,147,191.97
  4. Step 4: Simplify right side
    879,370,019.44x = 381,413,324,267,959,168
  5. Step 5: Solve for x
    x = 381,413,324,267,959,168/879,370,019.44
  6. Step 6: Final answer
    x = 433,734,737.18

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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.