Finding the Fourth Proportional to 388,753,804, 536,491,446.96 and 214,924,745.44
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Solution
The fourth proportional to 388,753,804, 536,491,446.96 and 214,924,745.44 is: 296,602,339.28
Step by Step Solution
- Step 1: Write the proportion equation
388,753,804 : 536,491,446.96 = 214,924,745.44 : x - Step 2: Convert to fraction form
388,753,804/536,491,446.96 = 214,924,745.44/x - Step 3: Cross multiply
388,753,804x = 536,491,446.96 × 214,924,745.44 - Step 4: Simplify right side
388,753,804x = 115,305,287,668,615,248 - Step 5: Solve for x
x = 115,305,287,668,615,248/388,753,804 - Step 6: Final answer
x = 296,602,339.28
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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.