Finding the Fourth Proportional to 639,528,543.44, 959,384,323.84 and 196,908,673.68
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Solution
The fourth proportional to 639,528,543.44, 959,384,323.84 and 196,908,673.68 is: 295,391,185.73
Step by Step Solution
- Step 1: Write the proportion equation
639,528,543.44 : 959,384,323.84 = 196,908,673.68 : x - Step 2: Convert to fraction form
639,528,543.44/959,384,323.84 = 196,908,673.68/x - Step 3: Cross multiply
639,528,543.44x = 959,384,323.84 × 196,908,673.68 - Step 4: Simplify right side
639,528,543.44x = 188,911,094,756,718,016 - Step 5: Solve for x
x = 188,911,094,756,718,016/639,528,543.44 - Step 6: Final answer
x = 295,391,185.73
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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.