Home / 393,336,832.75-589,699,670.45-254,869,880.20

Finding the Fourth Proportional to 393,336,832.75, 589,699,670.45 and 254,869,880.20

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Solution

The fourth proportional to 393,336,832.75, 589,699,670.45 and 254,869,880.20 is: 382,106,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,336,832.75 : 589,699,670.45 = 254,869,880.20 : x
  2. Step 2: Convert to fraction form
    393,336,832.75/589,699,670.45 = 254,869,880.20/x
  3. Step 3: Cross multiply
    393,336,832.75x = 589,699,670.45 × 254,869,880.20
  4. Step 4: Simplify right side
    393,336,832.75x = 150,296,684,358,822,400
  5. Step 5: Solve for x
    x = 150,296,684,358,822,400/393,336,832.75
  6. Step 6: Final answer
    x = 382,106,814.94

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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.