Finding the Fourth Proportional to 7,721,875,334, 11,581,089,217.32 and 3,580,780,764.08
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Solution
The fourth proportional to 7,721,875,334, 11,581,089,217.32 and 3,580,780,764.08 is: 5,370,371,794.77
Step by Step Solution
- Step 1: Write the proportion equation
7,721,875,334 : 11,581,089,217.32 = 3,580,780,764.08 : x - Step 2: Convert to fraction form
7,721,875,334/11,581,089,217.32 = 3,580,780,764.08/x - Step 3: Cross multiply
7,721,875,334x = 11,581,089,217.32 × 3,580,780,764.08 - Step 4: Simplify right side
7,721,875,334x = 41,469,341,496,473,755,648 - Step 5: Solve for x
x = 41,469,341,496,473,755,648/7,721,875,334 - Step 6: Final answer
x = 5,370,371,794.77
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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.