Home / 347,945,876.40-521,918,814.60-233,284,090.80

Finding the Fourth Proportional to 347,945,876.40, 521,918,814.60 and 233,284,090.80

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Solution

The fourth proportional to 347,945,876.40, 521,918,814.60 and 233,284,090.80 is: 349,926,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,945,876.40 : 521,918,814.60 = 233,284,090.80 : x
  2. Step 2: Convert to fraction form
    347,945,876.40/521,918,814.60 = 233,284,090.80/x
  3. Step 3: Cross multiply
    347,945,876.40x = 521,918,814.60 × 233,284,090.80
  4. Step 4: Simplify right side
    347,945,876.40x = 121,755,356,135,374,784
  5. Step 5: Solve for x
    x = 121,755,356,135,374,784/347,945,876.40
  6. Step 6: Final answer
    x = 349,926,136.20

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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.