Finding the Fourth Proportional to 7,095,585,485.76, 10,643,261,133.60 and 2,121,318,985.92
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Solution
The fourth proportional to 7,095,585,485.76, 10,643,261,133.60 and 2,121,318,985.92 is: 3,181,943,471.77
Step by Step Solution
- Step 1: Write the proportion equation
7,095,585,485.76 : 10,643,261,133.60 = 2,121,318,985.92 : x - Step 2: Convert to fraction form
7,095,585,485.76/10,643,261,133.60 = 2,121,318,985.92/x - Step 3: Cross multiply
7,095,585,485.76x = 10,643,261,133.60 × 2,121,318,985.92 - Step 4: Simplify right side
7,095,585,485.76x = 22,577,751,914,810,101,760 - Step 5: Solve for x
x = 22,577,751,914,810,101,760/7,095,585,485.76 - Step 6: Final answer
x = 3,181,943,471.77
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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.