Finding the Fourth Proportional to 554,263,299.63, 831,681,546.26 and 243,588,906.63
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Solution
The fourth proportional to 554,263,299.63, 831,681,546.26 and 243,588,906.63 is: 365,509,314.17
Step by Step Solution
- Step 1: Write the proportion equation
554,263,299.63 : 831,681,546.26 = 243,588,906.63 : x - Step 2: Convert to fraction form
554,263,299.63/831,681,546.26 = 243,588,906.63/x - Step 3: Cross multiply
554,263,299.63x = 831,681,546.26 × 243,588,906.63 - Step 4: Simplify right side
554,263,299.63x = 202,588,398,516,603,232 - Step 5: Solve for x
x = 202,588,398,516,603,232/554,263,299.63 - Step 6: Final answer
x = 365,509,314.17
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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.