Finding the Fourth Proportional to 349,054,556.42, 481,698,536.99 and 192,427,268.40
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Solution
The fourth proportional to 349,054,556.42, 481,698,536.99 and 192,427,268.40 is: 265,551,421.57
Step by Step Solution
- Step 1: Write the proportion equation
349,054,556.42 : 481,698,536.99 = 192,427,268.40 : x - Step 2: Convert to fraction form
349,054,556.42/481,698,536.99 = 192,427,268.40/x - Step 3: Cross multiply
349,054,556.42x = 481,698,536.99 × 192,427,268.40 - Step 4: Simplify right side
349,054,556.42x = 92,691,933,664,299,920 - Step 5: Solve for x
x = 92,691,933,664,299,920/349,054,556.42 - Step 6: Final answer
x = 265,551,421.57
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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.