Finding the Fourth Proportional to 7,386,406,213.99, 11,080,290,434.21 and 2,412,154,139.15
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Solution
The fourth proportional to 7,386,406,213.99, 11,080,290,434.21 and 2,412,154,139.15 is: 3,618,453,637.61
Step by Step Solution
- Step 1: Write the proportion equation
7,386,406,213.99 : 11,080,290,434.21 = 2,412,154,139.15 : x - Step 2: Convert to fraction form
7,386,406,213.99/11,080,290,434.21 = 2,412,154,139.15/x - Step 3: Cross multiply
7,386,406,213.99x = 11,080,290,434.21 × 2,412,154,139.15 - Step 4: Simplify right side
7,386,406,213.99x = 26,727,368,433,863,802,880 - Step 5: Solve for x
x = 26,727,368,433,863,802,880/7,386,406,213.99 - Step 6: Final answer
x = 3,618,453,637.61
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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.