Finding the Fourth Proportional to 379,129,726.07, 568,958,586.62 and 133,506,145.21
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Solution
The fourth proportional to 379,129,726.07, 568,958,586.62 and 133,506,145.21 is: 200,352,181.48
Step by Step Solution
- Step 1: Write the proportion equation
379,129,726.07 : 568,958,586.62 = 133,506,145.21 : x - Step 2: Convert to fraction form
379,129,726.07/568,958,586.62 = 133,506,145.21/x - Step 3: Cross multiply
379,129,726.07x = 568,958,586.62 × 133,506,145.21 - Step 4: Simplify right side
379,129,726.07x = 75,959,467,681,676,160 - Step 5: Solve for x
x = 75,959,467,681,676,160/379,129,726.07 - Step 6: Final answer
x = 200,352,181.48
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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.