Finding the Fourth Proportional to 328,911,109.95, 493,397,107.97 and 107,583,706.47
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Solution
The fourth proportional to 328,911,109.95, 493,397,107.97 and 107,583,706.47 is: 161,385,517.34
Step by Step Solution
- Step 1: Write the proportion equation
328,911,109.95 : 493,397,107.97 = 107,583,706.47 : x - Step 2: Convert to fraction form
328,911,109.95/493,397,107.97 = 107,583,706.47/x - Step 3: Cross multiply
328,911,109.95x = 493,397,107.97 × 107,583,706.47 - Step 4: Simplify right side
328,911,109.95x = 53,081,489,636,991,384 - Step 5: Solve for x
x = 53,081,489,636,991,384/328,911,109.95 - Step 6: Final answer
x = 161,385,517.34
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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.