Finding the Fourth Proportional to 352,271,508.12, 486,105,738.11 and 193,493,425.47
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Solution
The fourth proportional to 352,271,508.12, 486,105,738.11 and 193,493,425.47 is: 267,005,029.47
Step by Step Solution
- Step 1: Write the proportion equation
352,271,508.12 : 486,105,738.11 = 193,493,425.47 : x - Step 2: Convert to fraction form
352,271,508.12/486,105,738.11 = 193,493,425.47/x - Step 3: Cross multiply
352,271,508.12x = 486,105,738.11 × 193,493,425.47 - Step 4: Simplify right side
352,271,508.12x = 94,058,264,406,559,152 - Step 5: Solve for x
x = 94,058,264,406,559,152/352,271,508.12 - Step 6: Final answer
x = 267,005,029.47
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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.