Finding the Fourth Proportional to 7,156,274,905.14, 9,875,541,447.09 and 4,186,554,253.62
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Solution
The fourth proportional to 7,156,274,905.14, 9,875,541,447.09 and 4,186,554,253.62 is: 5,777,375,883.42
Step by Step Solution
- Step 1: Write the proportion equation
7,156,274,905.14 : 9,875,541,447.09 = 4,186,554,253.62 : x - Step 2: Convert to fraction form
7,156,274,905.14/9,875,541,447.09 = 4,186,554,253.62/x - Step 3: Cross multiply
7,156,274,905.14x = 9,875,541,447.09 × 4,186,554,253.62 - Step 4: Simplify right side
7,156,274,905.14x = 41,344,490,052,115,251,200 - Step 5: Solve for x
x = 41,344,490,052,115,251,200/7,156,274,905.14 - Step 6: Final answer
x = 5,777,375,883.42
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1.5x scale
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.