Finding the Fourth Proportional to 477,216,485.36, 658,548,424.20 and 276,281,832.08
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Solution
The fourth proportional to 477,216,485.36, 658,548,424.20 and 276,281,832.08 is: 381,262,950.32
Step by Step Solution
- Step 1: Write the proportion equation
477,216,485.36 : 658,548,424.20 = 276,281,832.08 : x - Step 2: Convert to fraction form
477,216,485.36/658,548,424.20 = 276,281,832.08/x - Step 3: Cross multiply
477,216,485.36x = 658,548,424.20 × 276,281,832.08 - Step 4: Simplify right side
477,216,485.36x = 181,944,965,151,373,024 - Step 5: Solve for x
x = 181,944,965,151,373,024/477,216,485.36 - Step 6: Final answer
x = 381,262,950.32
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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.