Home / 523,416,830.36-722,302,784.46-285,269,534.30

Finding the Fourth Proportional to 523,416,830.36, 722,302,784.46 and 285,269,534.30

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Solution

The fourth proportional to 523,416,830.36, 722,302,784.46 and 285,269,534.30 is: 393,665,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,416,830.36 : 722,302,784.46 = 285,269,534.30 : x
  2. Step 2: Convert to fraction form
    523,416,830.36/722,302,784.46 = 285,269,534.30/x
  3. Step 3: Cross multiply
    523,416,830.36x = 722,302,784.46 × 285,269,534.30
  4. Step 4: Simplify right side
    523,416,830.36x = 206,050,978,946,497,504
  5. Step 5: Solve for x
    x = 206,050,978,946,497,504/523,416,830.36
  6. Step 6: Final answer
    x = 393,665,176.58

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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.