Finding the Fourth Proportional to 1,922,805,612.18, 2,884,121,747.46 and 801,867,685.14
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Solution
The fourth proportional to 1,922,805,612.18, 2,884,121,747.46 and 801,867,685.14 is: 1,202,765,383.38
Step by Step Solution
- Step 1: Write the proportion equation
1,922,805,612.18 : 2,884,121,747.46 = 801,867,685.14 : x - Step 2: Convert to fraction form
1,922,805,612.18/2,884,121,747.46 = 801,867,685.14/x - Step 3: Cross multiply
1,922,805,612.18x = 2,884,121,747.46 × 801,867,685.14 - Step 4: Simplify right side
1,922,805,612.18x = 2,312,684,029,297,681,920 - Step 5: Solve for x
x = 2,312,684,029,297,681,920/1,922,805,612.18 - Step 6: Final answer
x = 1,202,765,383.38
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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.