Finding the Fourth Proportional to 413,753,468.12, 620,781,538.66 and 192,530,315.68
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Solution
The fourth proportional to 413,753,468.12, 620,781,538.66 and 192,530,315.68 is: 288,865,894.34
Step by Step Solution
- Step 1: Write the proportion equation
413,753,468.12 : 620,781,538.66 = 192,530,315.68 : x - Step 2: Convert to fraction form
413,753,468.12/620,781,538.66 = 192,530,315.68/x - Step 3: Cross multiply
413,753,468.12x = 620,781,538.66 × 192,530,315.68 - Step 4: Simplify right side
413,753,468.12x = 119,519,265,606,525,920 - Step 5: Solve for x
x = 119,519,265,606,525,920/413,753,468.12 - Step 6: Final answer
x = 288,865,894.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.