Finding the Fourth Proportional to 248,998,074.30, 343,646,487.23 and 207,108,234.99
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Solution
The fourth proportional to 248,998,074.30, 343,646,487.23 and 207,108,234.99 is: 285,833,605.86
Step by Step Solution
- Step 1: Write the proportion equation
248,998,074.30 : 343,646,487.23 = 207,108,234.99 : x - Step 2: Convert to fraction form
248,998,074.30/343,646,487.23 = 207,108,234.99/x - Step 3: Cross multiply
248,998,074.30x = 343,646,487.23 × 207,108,234.99 - Step 4: Simplify right side
248,998,074.30x = 71,172,017,429,683,344 - Step 5: Solve for x
x = 71,172,017,429,683,344/248,998,074.30 - Step 6: Final answer
x = 285,833,605.86
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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.