Home / 579,823,185.65-800,149,270.12-315,500,624.60

Finding the Fourth Proportional to 579,823,185.65, 800,149,270.12 and 315,500,624.60

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Solution

The fourth proportional to 579,823,185.65, 800,149,270.12 and 315,500,624.60 is: 435,387,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,823,185.65 : 800,149,270.12 = 315,500,624.60 : x
  2. Step 2: Convert to fraction form
    579,823,185.65/800,149,270.12 = 315,500,624.60/x
  3. Step 3: Cross multiply
    579,823,185.65x = 800,149,270.12 × 315,500,624.60
  4. Step 4: Simplify right side
    579,823,185.65x = 252,447,594,491,304,640
  5. Step 5: Solve for x
    x = 252,447,594,491,304,640/579,823,185.65
  6. Step 6: Final answer
    x = 435,387,202.07

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1.5x scale

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.