Finding the Fourth Proportional to 284,343,079.24, 392,276,599.14 and 172,815,949.36
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Solution
The fourth proportional to 284,343,079.24, 392,276,599.14 and 172,815,949.36 is: 238,414,991.75
Step by Step Solution
- Step 1: Write the proportion equation
284,343,079.24 : 392,276,599.14 = 172,815,949.36 : x - Step 2: Convert to fraction form
284,343,079.24/392,276,599.14 = 172,815,949.36/x - Step 3: Cross multiply
284,343,079.24x = 392,276,599.14 × 172,815,949.36 - Step 4: Simplify right side
284,343,079.24x = 67,791,652,892,091,264 - Step 5: Solve for x
x = 67,791,652,892,091,264/284,343,079.24 - Step 6: Final answer
x = 238,414,991.75
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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.