Finding the Fourth Proportional to 2,834,372,413.80, 4,251,558,620.70 and 764,303,430.60
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Solution
The fourth proportional to 2,834,372,413.80, 4,251,558,620.70 and 764,303,430.60 is: 1,146,455,145.90
Step by Step Solution
- Step 1: Write the proportion equation
2,834,372,413.80 : 4,251,558,620.70 = 764,303,430.60 : x - Step 2: Convert to fraction form
2,834,372,413.80/4,251,558,620.70 = 764,303,430.60/x - Step 3: Cross multiply
2,834,372,413.80x = 4,251,558,620.70 × 764,303,430.60 - Step 4: Simplify right side
2,834,372,413.80x = 3,249,480,839,198,013,952 - Step 5: Solve for x
x = 3,249,480,839,198,013,952/2,834,372,413.80 - Step 6: Final answer
x = 1,146,455,145.90
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1.5x scale
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.