Finding the Fourth Proportional to 807,756,365.92, 1,114,703,737.68 and 436,478,386.72
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Solution
The fourth proportional to 807,756,365.92, 1,114,703,737.68 and 436,478,386.72 is: 602,340,148.12
Step by Step Solution
- Step 1: Write the proportion equation
807,756,365.92 : 1,114,703,737.68 = 436,478,386.72 : x - Step 2: Convert to fraction form
807,756,365.92/1,114,703,737.68 = 436,478,386.72/x - Step 3: Cross multiply
807,756,365.92x = 1,114,703,737.68 × 436,478,386.72 - Step 4: Simplify right side
807,756,365.92x = 486,544,089,093,320,512 - Step 5: Solve for x
x = 486,544,089,093,320,512/807,756,365.92 - Step 6: Final answer
x = 602,340,148.12
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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.