Finding the Fourth Proportional to 481,291,542.72, 664,190,408.16 and 261,274,968
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Solution
The fourth proportional to 481,291,542.72, 664,190,408.16 and 261,274,968 is: 360,563,841.74
Step by Step Solution
- Step 1: Write the proportion equation
481,291,542.72 : 664,190,408.16 = 261,274,968 : x - Step 2: Convert to fraction form
481,291,542.72/664,190,408.16 = 261,274,968/x - Step 3: Cross multiply
481,291,542.72x = 664,190,408.16 × 261,274,968 - Step 4: Simplify right side
481,291,542.72x = 173,536,327,637,910,944 - Step 5: Solve for x
x = 173,536,327,637,910,944/481,291,542.72 - Step 6: Final answer
x = 360,563,841.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.