Finding the Fourth Proportional to 395,356,391.21, 593,302,507.88 and 162,229,249.68
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Solution
The fourth proportional to 395,356,391.21, 593,302,507.88 and 162,229,249.68 is: 243,453,812.38
Step by Step Solution
- Step 1: Write the proportion equation
395,356,391.21 : 593,302,507.88 = 162,229,249.68 : x - Step 2: Convert to fraction form
395,356,391.21/593,302,507.88 = 162,229,249.68/x - Step 3: Cross multiply
395,356,391.21x = 593,302,507.88 × 162,229,249.68 - Step 4: Simplify right side
395,356,391.21x = 96,251,020,685,823,552 - Step 5: Solve for x
x = 96,251,020,685,823,552/395,356,391.21 - Step 6: Final answer
x = 243,453,812.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.