Finding the Fourth Proportional to 333,918,553.15, 500,643,142.75 and 147,083,842.99
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Solution
The fourth proportional to 333,918,553.15, 500,643,142.75 and 147,083,842.99 is: 220,522,389.99
Step by Step Solution
- Step 1: Write the proportion equation
333,918,553.15 : 500,643,142.75 = 147,083,842.99 : x - Step 2: Convert to fraction form
333,918,553.15/500,643,142.75 = 147,083,842.99/x - Step 3: Cross multiply
333,918,553.15x = 500,643,142.75 × 147,083,842.99 - Step 4: Simplify right side
333,918,553.15x = 73,636,517,402,261,168 - Step 5: Solve for x
x = 73,636,517,402,261,168/333,918,553.15 - Step 6: Final answer
x = 220,522,389.99
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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.