Finding the Fourth Proportional to 2,283,431,143.12, 3,151,221,595.74 and 1,279,867,258.94
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Solution
The fourth proportional to 2,283,431,143.12, 3,151,221,595.74 and 1,279,867,258.94 is: 1,766,265,367.01
Step by Step Solution
- Step 1: Write the proportion equation
2,283,431,143.12 : 3,151,221,595.74 = 1,279,867,258.94 : x - Step 2: Convert to fraction form
2,283,431,143.12/3,151,221,595.74 = 1,279,867,258.94/x - Step 3: Cross multiply
2,283,431,143.12x = 3,151,221,595.74 × 1,279,867,258.94 - Step 4: Simplify right side
2,283,431,143.12x = 4,033,145,346,036,530,176 - Step 5: Solve for x
x = 4,033,145,346,036,530,176/2,283,431,143.12 - Step 6: Final answer
x = 1,766,265,367.01
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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.