Finding the Fourth Proportional to 2,086,268,775.60, 3,129,403,163.40 and 2,054,020,148.40
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Solution
The fourth proportional to 2,086,268,775.60, 3,129,403,163.40 and 2,054,020,148.40 is: 3,081,030,222.60
Step by Step Solution
- Step 1: Write the proportion equation
2,086,268,775.60 : 3,129,403,163.40 = 2,054,020,148.40 : x - Step 2: Convert to fraction form
2,086,268,775.60/3,129,403,163.40 = 2,054,020,148.40/x - Step 3: Cross multiply
2,086,268,775.60x = 3,129,403,163.40 × 2,054,020,148.40 - Step 4: Simplify right side
2,086,268,775.60x = 6,427,857,150,090,298,368 - Step 5: Solve for x
x = 6,427,857,150,090,298,368/2,086,268,775.60 - Step 6: Final answer
x = 3,081,030,222.60
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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.