Home / 347,733,643.20-521,600,464.80-251,365,675.20

Finding the Fourth Proportional to 347,733,643.20, 521,600,464.80 and 251,365,675.20

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Solution

The fourth proportional to 347,733,643.20, 521,600,464.80 and 251,365,675.20 is: 377,048,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,733,643.20 : 521,600,464.80 = 251,365,675.20 : x
  2. Step 2: Convert to fraction form
    347,733,643.20/521,600,464.80 = 251,365,675.20/x
  3. Step 3: Cross multiply
    347,733,643.20x = 521,600,464.80 × 251,365,675.20
  4. Step 4: Simplify right side
    347,733,643.20x = 131,112,453,019,085,824
  5. Step 5: Solve for x
    x = 131,112,453,019,085,824/347,733,643.20
  6. Step 6: Final answer
    x = 377,048,512.80

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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.