Finding the Fourth Proportional to 316,715,641.68, 436,912,271.10 and 274,840,933.80
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Solution
The fourth proportional to 316,715,641.68, 436,912,271.10 and 274,840,933.80 is: 379,145,709.19
Step by Step Solution
- Step 1: Write the proportion equation
316,715,641.68 : 436,912,271.10 = 274,840,933.80 : x - Step 2: Convert to fraction form
316,715,641.68/436,912,271.10 = 274,840,933.80/x - Step 3: Cross multiply
316,715,641.68x = 436,912,271.10 × 274,840,933.80 - Step 4: Simplify right side
316,715,641.68x = 120,081,376,577,802,768 - Step 5: Solve for x
x = 120,081,376,577,802,768/316,715,641.68 - Step 6: Final answer
x = 379,145,709.19
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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.