Finding the Fourth Proportional to 365,187,041.68, 503,664,265.80 and 321,039,647.12
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Solution
The fourth proportional to 365,187,041.68, 503,664,265.80 and 321,039,647.12 is: 442,776,384.99
Step by Step Solution
- Step 1: Write the proportion equation
365,187,041.68 : 503,664,265.80 = 321,039,647.12 : x - Step 2: Convert to fraction form
365,187,041.68/503,664,265.80 = 321,039,647.12/x - Step 3: Cross multiply
365,187,041.68x = 503,664,265.80 × 321,039,647.12 - Step 4: Simplify right side
365,187,041.68x = 161,696,198,159,385,888 - Step 5: Solve for x
x = 161,696,198,159,385,888/365,187,041.68 - Step 6: Final answer
x = 442,776,384.99
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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.