Finding the Fourth Proportional to 1,151,879,719.37, 1,589,582,695.97 and 623,232,106.11
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Solution
The fourth proportional to 1,151,879,719.37, 1,589,582,695.97 and 623,232,106.11 is: 860,054,183.42
Step by Step Solution
- Step 1: Write the proportion equation
1,151,879,719.37 : 1,589,582,695.97 = 623,232,106.11 : x - Step 2: Convert to fraction form
1,151,879,719.37/1,589,582,695.97 = 623,232,106.11/x - Step 3: Cross multiply
1,151,879,719.37x = 1,589,582,695.97 × 623,232,106.11 - Step 4: Simplify right side
1,151,879,719.37x = 990,678,971,442,278,656 - Step 5: Solve for x
x = 990,678,971,442,278,656/1,151,879,719.37 - Step 6: Final answer
x = 860,054,183.42
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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.