Finding the Fourth Proportional to 345,247,204.01, 518,198,212.47 and 213,691,536.57
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Solution
The fourth proportional to 345,247,204.01, 518,198,212.47 and 213,691,536.57 is: 320,739,953.82
Step by Step Solution
- Step 1: Write the proportion equation
345,247,204.01 : 518,198,212.47 = 213,691,536.57 : x - Step 2: Convert to fraction form
345,247,204.01/518,198,212.47 = 213,691,536.57/x - Step 3: Cross multiply
345,247,204.01x = 518,198,212.47 × 213,691,536.57 - Step 4: Simplify right side
345,247,204.01x = 110,734,572,271,514,560 - Step 5: Solve for x
x = 110,734,572,271,514,560/345,247,204.01 - Step 6: Final answer
x = 320,739,953.82
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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.