Finding the Fourth Proportional to 3,712,349,662.88, 5,122,940,211.60 and 2,041,598,763.68
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Solution
The fourth proportional to 3,712,349,662.88, 5,122,940,211.60 and 2,041,598,763.68 is: 2,817,350,021.47
Step by Step Solution
- Step 1: Write the proportion equation
3,712,349,662.88 : 5,122,940,211.60 = 2,041,598,763.68 : x - Step 2: Convert to fraction form
3,712,349,662.88/5,122,940,211.60 = 2,041,598,763.68/x - Step 3: Cross multiply
3,712,349,662.88x = 5,122,940,211.60 × 2,041,598,763.68 - Step 4: Simplify right side
3,712,349,662.88x = 10,458,988,402,409,117,696 - Step 5: Solve for x
x = 10,458,988,402,409,117,696/3,712,349,662.88 - Step 6: Final answer
x = 2,817,350,021.47
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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.