Finding the Fourth Proportional to 328,924,359.14, 493,381,889.35 and 79,931,446.67
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Solution
The fourth proportional to 328,924,359.14, 493,381,889.35 and 79,931,446.67 is: 119,896,040.18
Step by Step Solution
- Step 1: Write the proportion equation
328,924,359.14 : 493,381,889.35 = 79,931,446.67 : x - Step 2: Convert to fraction form
328,924,359.14/493,381,889.35 = 79,931,446.67/x - Step 3: Cross multiply
328,924,359.14x = 493,381,889.35 × 79,931,446.67 - Step 4: Simplify right side
328,924,359.14x = 39,436,728,177,556,992 - Step 5: Solve for x
x = 39,436,728,177,556,992/328,924,359.14 - Step 6: Final answer
x = 119,896,040.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.