Finding the Fourth Proportional to 359,357,759.82, 495,918,526.96 and 202,724,382.42
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Solution
The fourth proportional to 359,357,759.82, 495,918,526.96 and 202,724,382.42 is: 279,762,365.95
Step by Step Solution
- Step 1: Write the proportion equation
359,357,759.82 : 495,918,526.96 = 202,724,382.42 : x - Step 2: Convert to fraction form
359,357,759.82/495,918,526.96 = 202,724,382.42/x - Step 3: Cross multiply
359,357,759.82x = 495,918,526.96 × 202,724,382.42 - Step 4: Simplify right side
359,357,759.82x = 100,534,777,108,602,112 - Step 5: Solve for x
x = 100,534,777,108,602,112/359,357,759.82 - Step 6: Final answer
x = 279,762,365.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.