Home / 523,297,157.24-722,117,538.78-288,334,668.98

Finding the Fourth Proportional to 523,297,157.24, 722,117,538.78 and 288,334,668.98

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Solution

The fourth proportional to 523,297,157.24, 722,117,538.78 and 288,334,668.98 is: 397,883,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,297,157.24 : 722,117,538.78 = 288,334,668.98 : x
  2. Step 2: Convert to fraction form
    523,297,157.24/722,117,538.78 = 288,334,668.98/x
  3. Step 3: Cross multiply
    523,297,157.24x = 722,117,538.78 × 288,334,668.98
  4. Step 4: Simplify right side
    523,297,157.24x = 208,211,521,508,783,616
  5. Step 5: Solve for x
    x = 208,211,521,508,783,616/523,297,157.24
  6. Step 6: Final answer
    x = 397,883,914.77

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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.