Finding the Fourth Proportional to 298,186,479.26, 447,262,895.99 and 132,142,160.60
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Solution
The fourth proportional to 298,186,479.26, 447,262,895.99 and 132,142,160.60 is: 198,205,785.78
Step by Step Solution
- Step 1: Write the proportion equation
298,186,479.26 : 447,262,895.99 = 132,142,160.60 : x - Step 2: Convert to fraction form
298,186,479.26/447,262,895.99 = 132,142,160.60/x - Step 3: Cross multiply
298,186,479.26x = 447,262,895.99 × 132,142,160.60 - Step 4: Simplify right side
298,186,479.26x = 59,102,285,429,434,656 - Step 5: Solve for x
x = 59,102,285,429,434,656/298,186,479.26 - Step 6: Final answer
x = 198,205,785.78
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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.