Finding the Fourth Proportional to 354,411,344.93, 489,087,744.64 and 195,641,560.13
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Solution
The fourth proportional to 354,411,344.93, 489,087,744.64 and 195,641,560.13 is: 269,985,401.91
Step by Step Solution
- Step 1: Write the proportion equation
354,411,344.93 : 489,087,744.64 = 195,641,560.13 : x - Step 2: Convert to fraction form
354,411,344.93/489,087,744.64 = 195,641,560.13/x - Step 3: Cross multiply
354,411,344.93x = 489,087,744.64 × 195,641,560.13 - Step 4: Simplify right side
354,411,344.93x = 95,685,889,399,631,760 - Step 5: Solve for x
x = 95,685,889,399,631,760/354,411,344.93 - Step 6: Final answer
x = 269,985,401.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.