Home / 523,568,379.74-722,529,346.93-288,627,466.64

Finding the Fourth Proportional to 523,568,379.74, 722,529,346.93 and 288,627,466.64

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Solution

The fourth proportional to 523,568,379.74, 722,529,346.93 and 288,627,466.64 is: 398,308,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,568,379.74 : 722,529,346.93 = 288,627,466.64 : x
  2. Step 2: Convert to fraction form
    523,568,379.74/722,529,346.93 = 288,627,466.64/x
  3. Step 3: Cross multiply
    523,568,379.74x = 722,529,346.93 × 288,627,466.64
  4. Step 4: Simplify right side
    523,568,379.74x = 208,541,814,973,125,344
  5. Step 5: Solve for x
    x = 208,541,814,973,125,344/523,568,379.74
  6. Step 6: Final answer
    x = 398,308,650.88

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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.