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Finding the Fourth Proportional to 349,703,997.60, 490,302,232.80 and 349,703,997.60

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Solution

The fourth proportional to 349,703,997.60, 490,302,232.80 and 349,703,997.60 is: 490,302,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,703,997.60 : 490,302,232.80 = 349,703,997.60 : x
  2. Step 2: Convert to fraction form
    349,703,997.60/490,302,232.80 = 349,703,997.60/x
  3. Step 3: Cross multiply
    349,703,997.60x = 490,302,232.80 × 349,703,997.60
  4. Step 4: Simplify right side
    349,703,997.60x = 171,460,650,842,365,856
  5. Step 5: Solve for x
    x = 171,460,650,842,365,856/349,703,997.60
  6. Step 6: Final answer
    x = 490,302,232.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.