Finding the Fourth Proportional to 693,482,852.34, 1,040,243,213.07 and 202,184,248.68
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Solution
The fourth proportional to 693,482,852.34, 1,040,243,213.07 and 202,184,248.68 is: 303,281,893.37
Step by Step Solution
- Step 1: Write the proportion equation
693,482,852.34 : 1,040,243,213.07 = 202,184,248.68 : x - Step 2: Convert to fraction form
693,482,852.34/1,040,243,213.07 = 202,184,248.68/x - Step 3: Cross multiply
693,482,852.34x = 1,040,243,213.07 × 202,184,248.68 - Step 4: Simplify right side
693,482,852.34x = 210,320,792,479,027,136 - Step 5: Solve for x
x = 210,320,792,479,027,136/693,482,852.34 - Step 6: Final answer
x = 303,281,893.37
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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.