Finding the Fourth Proportional to 1,135,374,720.84, 1,703,075,728.20 and 445,606,818.12
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Solution
The fourth proportional to 1,135,374,720.84, 1,703,075,728.20 and 445,606,818.12 is: 668,415,583.27
Step by Step Solution
- Step 1: Write the proportion equation
1,135,374,720.84 : 1,703,075,728.20 = 445,606,818.12 : x - Step 2: Convert to fraction form
1,135,374,720.84/1,703,075,728.20 = 445,606,818.12/x - Step 3: Cross multiply
1,135,374,720.84x = 1,703,075,728.20 × 445,606,818.12 - Step 4: Simplify right side
1,135,374,720.84x = 758,902,156,260,604,032 - Step 5: Solve for x
x = 758,902,156,260,604,032/1,135,374,720.84 - Step 6: Final answer
x = 668,415,583.27
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1.5x scale
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.