Finding the Fourth Proportional to 319,764,271.72, 479,692,161.92 and 98,454,336.84
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Solution
The fourth proportional to 319,764,271.72, 479,692,161.92 and 98,454,336.84 is: 147,695,592.87
Step by Step Solution
- Step 1: Write the proportion equation
319,764,271.72 : 479,692,161.92 = 98,454,336.84 : x - Step 2: Convert to fraction form
319,764,271.72/479,692,161.92 = 98,454,336.84/x - Step 3: Cross multiply
319,764,271.72x = 479,692,161.92 × 98,454,336.84 - Step 4: Simplify right side
319,764,271.72x = 47,227,773,689,179,504 - Step 5: Solve for x
x = 47,227,773,689,179,504/319,764,271.72 - Step 6: Final answer
x = 147,695,592.87
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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.