Finding the Fourth Proportional to 545,424,558.84, 815,148,249.26 and 398,182,189.38
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Solution
The fourth proportional to 545,424,558.84, 815,148,249.26 and 398,182,189.38 is: 595,091,492.12
Step by Step Solution
- Step 1: Write the proportion equation
545,424,558.84 : 815,148,249.26 = 398,182,189.38 : x - Step 2: Convert to fraction form
545,424,558.84/815,148,249.26 = 398,182,189.38/x - Step 3: Cross multiply
545,424,558.84x = 815,148,249.26 × 398,182,189.38 - Step 4: Simplify right side
545,424,558.84x = 324,577,514,557,629,824 - Step 5: Solve for x
x = 324,577,514,557,629,824/545,424,558.84 - Step 6: Final answer
x = 595,091,492.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.