Home / 879,370,314.53-1,319,097,891.69-289,147,486.55

Finding the Fourth Proportional to 879,370,314.53, 1,319,097,891.69 and 289,147,486.55

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Solution

The fourth proportional to 879,370,314.53, 1,319,097,891.69 and 289,147,486.55 is: 433,735,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,370,314.53 : 1,319,097,891.69 = 289,147,486.55 : x
  2. Step 2: Convert to fraction form
    879,370,314.53/1,319,097,891.69 = 289,147,486.55/x
  3. Step 3: Cross multiply
    879,370,314.53x = 1,319,097,891.69 × 289,147,486.55
  4. Step 4: Simplify right side
    879,370,314.53x = 381,413,839,888,972,160
  5. Step 5: Solve for x
    x = 381,413,839,888,972,160/879,370,314.53
  6. Step 6: Final answer
    x = 433,735,177.99

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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.