Finding the Fourth Proportional to 1,157,544,028.80, 1,738,331,582.40 and 613,348,444.80
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Solution
The fourth proportional to 1,157,544,028.80, 1,738,331,582.40 and 613,348,444.80 is: 921,090,641.98
Step by Step Solution
- Step 1: Write the proportion equation
1,157,544,028.80 : 1,738,331,582.40 = 613,348,444.80 : x - Step 2: Convert to fraction form
1,157,544,028.80/1,738,331,582.40 = 613,348,444.80/x - Step 3: Cross multiply
1,157,544,028.80x = 1,738,331,582.40 × 613,348,444.80 - Step 4: Simplify right side
1,157,544,028.80x = 1,066,202,972,611,763,072 - Step 5: Solve for x
x = 1,066,202,972,611,763,072/1,157,544,028.80 - Step 6: Final answer
x = 921,090,641.98
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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.