Finding the Fourth Proportional to 7,135,110,413.14, 9,844,230,959.94 and 4,123,265,865.79
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Solution
The fourth proportional to 7,135,110,413.14, 9,844,230,959.94 and 4,123,265,865.79 is: 5,688,823,177.47
Step by Step Solution
- Step 1: Write the proportion equation
7,135,110,413.14 : 9,844,230,959.94 = 4,123,265,865.79 : x - Step 2: Convert to fraction form
7,135,110,413.14/9,844,230,959.94 = 4,123,265,865.79/x - Step 3: Cross multiply
7,135,110,413.14x = 9,844,230,959.94 × 4,123,265,865.79 - Step 4: Simplify right side
7,135,110,413.14x = 40,590,381,492,073,725,952 - Step 5: Solve for x
x = 40,590,381,492,073,725,952/7,135,110,413.14 - Step 6: Final answer
x = 5,688,823,177.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.