Finding the Fourth Proportional to 1,365,355,183.40, 1,884,193,428.34 and 738,830,334.32
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Solution
The fourth proportional to 1,365,355,183.40, 1,884,193,428.34 and 738,830,334.32 is: 1,019,587,633.69
Step by Step Solution
- Step 1: Write the proportion equation
1,365,355,183.40 : 1,884,193,428.34 = 738,830,334.32 : x - Step 2: Convert to fraction form
1,365,355,183.40/1,884,193,428.34 = 738,830,334.32/x - Step 3: Cross multiply
1,365,355,183.40x = 1,884,193,428.34 × 738,830,334.32 - Step 4: Simplify right side
1,365,355,183.40x = 1,392,099,260,583,989,248 - Step 5: Solve for x
x = 1,392,099,260,583,989,248/1,365,355,183.40 - Step 6: Final answer
x = 1,019,587,633.69
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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.