Finding the Fourth Proportional to 338,183,272.20, 507,274,908.30 and 223,297,537.80
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Solution
The fourth proportional to 338,183,272.20, 507,274,908.30 and 223,297,537.80 is: 334,946,306.70
Step by Step Solution
- Step 1: Write the proportion equation
338,183,272.20 : 507,274,908.30 = 223,297,537.80 : x - Step 2: Convert to fraction form
338,183,272.20/507,274,908.30 = 223,297,537.80/x - Step 3: Cross multiply
338,183,272.20x = 507,274,908.30 × 223,297,537.80 - Step 4: Simplify right side
338,183,272.20x = 113,273,238,011,110,800 - Step 5: Solve for x
x = 113,273,238,011,110,800/338,183,272.20 - Step 6: Final answer
x = 334,946,306.70
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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.