Finding the Fourth Proportional to 1,736,503,724.40, 2,603,959,324.20 and 766,656,121.20
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Solution
The fourth proportional to 1,736,503,724.40, 2,603,959,324.20 and 766,656,121.20 is: 1,149,632,636.66
Step by Step Solution
- Step 1: Write the proportion equation
1,736,503,724.40 : 2,603,959,324.20 = 766,656,121.20 : x - Step 2: Convert to fraction form
1,736,503,724.40/2,603,959,324.20 = 766,656,121.20/x - Step 3: Cross multiply
1,736,503,724.40x = 2,603,959,324.20 × 766,656,121.20 - Step 4: Simplify right side
1,736,503,724.40x = 1,996,341,355,253,745,152 - Step 5: Solve for x
x = 1,996,341,355,253,745,152/1,736,503,724.40 - Step 6: Final answer
x = 1,149,632,636.66
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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.