Finding the Fourth Proportional to 375,276,687.63, 562,926,878.15 and 129,647,314.63
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Solution
The fourth proportional to 375,276,687.63, 562,926,878.15 and 129,647,314.63 is: 194,475,064.64
Step by Step Solution
- Step 1: Write the proportion equation
375,276,687.63 : 562,926,878.15 = 129,647,314.63 : x - Step 2: Convert to fraction form
375,276,687.63/562,926,878.15 = 129,647,314.63/x - Step 3: Cross multiply
375,276,687.63x = 562,926,878.15 × 129,647,314.63 - Step 4: Simplify right side
375,276,687.63x = 72,981,958,085,252,144 - Step 5: Solve for x
x = 72,981,958,085,252,144/375,276,687.63 - Step 6: Final answer
x = 194,475,064.64
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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.