Finding the Fourth Proportional to 552,409,146.78, 828,979,691.49 and 303,588,169.53
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Solution
The fourth proportional to 552,409,146.78, 828,979,691.49 and 303,588,169.53 is: 455,583,381.60
Step by Step Solution
- Step 1: Write the proportion equation
552,409,146.78 : 828,979,691.49 = 303,588,169.53 : x - Step 2: Convert to fraction form
552,409,146.78/828,979,691.49 = 303,588,169.53/x - Step 3: Cross multiply
552,409,146.78x = 828,979,691.49 × 303,588,169.53 - Step 4: Simplify right side
552,409,146.78x = 251,668,427,116,993,184 - Step 5: Solve for x
x = 251,668,427,116,993,184/552,409,146.78 - Step 6: Final answer
x = 455,583,381.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.