Finding the Fourth Proportional to 11,516,752,400.13, 15,893,177,082.84 and 6,436,201,129.95
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Solution
The fourth proportional to 11,516,752,400.13, 15,893,177,082.84 and 6,436,201,129.95 is: 8,881,990,403.64
Step by Step Solution
- Step 1: Write the proportion equation
11,516,752,400.13 : 15,893,177,082.84 = 6,436,201,129.95 : x - Step 2: Convert to fraction form
11,516,752,400.13/15,893,177,082.84 = 6,436,201,129.95/x - Step 3: Cross multiply
11,516,752,400.13x = 15,893,177,082.84 × 6,436,201,129.95 - Step 4: Simplify right side
11,516,752,400.13x = 102,291,684,299,070,242,816 - Step 5: Solve for x
x = 102,291,684,299,070,242,816/11,516,752,400.13 - Step 6: Final answer
x = 8,881,990,403.64
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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.