Finding the Fourth Proportional to 4,279,246,316.29, 5,902,906,420.92 and 2,668,905,561.29
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Solution
The fourth proportional to 4,279,246,316.29, 5,902,906,420.92 and 2,668,905,561.29 is: 3,681,559,464.00
Step by Step Solution
- Step 1: Write the proportion equation
4,279,246,316.29 : 5,902,906,420.92 = 2,668,905,561.29 : x - Step 2: Convert to fraction form
4,279,246,316.29/5,902,906,420.92 = 2,668,905,561.29/x - Step 3: Cross multiply
4,279,246,316.29x = 5,902,906,420.92 × 2,668,905,561.29 - Step 4: Simplify right side
4,279,246,316.29x = 15,754,299,774,543,384,576 - Step 5: Solve for x
x = 15,754,299,774,543,384,576/4,279,246,316.29 - Step 6: Final answer
x = 3,681,559,464.00
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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.