Finding the Fourth Proportional to 693,482,958.84, 1,040,243,372.82 and 202,184,355.36
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Solution
The fourth proportional to 693,482,958.84, 1,040,243,372.82 and 202,184,355.36 is: 303,282,053.39
Step by Step Solution
- Step 1: Write the proportion equation
693,482,958.84 : 1,040,243,372.82 = 202,184,355.36 : x - Step 2: Convert to fraction form
693,482,958.84/1,040,243,372.82 = 202,184,355.36/x - Step 3: Cross multiply
693,482,958.84x = 1,040,243,372.82 × 202,184,355.36 - Step 4: Simplify right side
693,482,958.84x = 210,320,935,751,123,872 - Step 5: Solve for x
x = 210,320,935,751,123,872/693,482,958.84 - Step 6: Final answer
x = 303,282,053.39
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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.