Finding the Fourth Proportional to 3,889,428,507.26, 5,835,070,900.32 and 1,269,237,487.18
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Solution
The fourth proportional to 3,889,428,507.26, 5,835,070,900.32 and 1,269,237,487.18 is: 1,904,159,110.58
Step by Step Solution
- Step 1: Write the proportion equation
3,889,428,507.26 : 5,835,070,900.32 = 1,269,237,487.18 : x - Step 2: Convert to fraction form
3,889,428,507.26/5,835,070,900.32 = 1,269,237,487.18/x - Step 3: Cross multiply
3,889,428,507.26x = 5,835,070,900.32 × 1,269,237,487.18 - Step 4: Simplify right side
3,889,428,507.26x = 7,406,090,727,039,297,536 - Step 5: Solve for x
x = 7,406,090,727,039,297,536/3,889,428,507.26 - Step 6: Final answer
x = 1,904,159,110.58
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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.