Finding the Fourth Proportional to 368,373,551.72, 552,287,921.31 and 222,774,743.99
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Solution
The fourth proportional to 368,373,551.72, 552,287,921.31 and 222,774,743.99 is: 333,997,377.67
Step by Step Solution
- Step 1: Write the proportion equation
368,373,551.72 : 552,287,921.31 = 222,774,743.99 : x - Step 2: Convert to fraction form
368,373,551.72/552,287,921.31 = 222,774,743.99/x - Step 3: Cross multiply
368,373,551.72x = 552,287,921.31 × 222,774,743.99 - Step 4: Simplify right side
368,373,551.72x = 123,035,800,278,604,512 - Step 5: Solve for x
x = 123,035,800,278,604,512/368,373,551.72 - Step 6: Final answer
x = 333,997,377.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.