Home / 683,375,080.94-1,025,435,790.13-289,840,693.71

Finding the Fourth Proportional to 683,375,080.94, 1,025,435,790.13 and 289,840,693.71

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Solution

The fourth proportional to 683,375,080.94, 1,025,435,790.13 and 289,840,693.71 is: 434,919,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,375,080.94 : 1,025,435,790.13 = 289,840,693.71 : x
  2. Step 2: Convert to fraction form
    683,375,080.94/1,025,435,790.13 = 289,840,693.71/x
  3. Step 3: Cross multiply
    683,375,080.94x = 1,025,435,790.13 × 289,840,693.71
  4. Step 4: Simplify right side
    683,375,080.94x = 297,213,020,765,616,576
  5. Step 5: Solve for x
    x = 297,213,020,765,616,576/683,375,080.94
  6. Step 6: Final answer
    x = 434,919,313.06

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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.