Finding the Fourth Proportional to 10,881,875,371, 16,305,806,943.66 and 7,572,156,482.68
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Solution
The fourth proportional to 10,881,875,371, 16,305,806,943.66 and 7,572,156,482.68 is: 11,346,401,014.92
Step by Step Solution
- Step 1: Write the proportion equation
10,881,875,371 : 16,305,806,943.66 = 7,572,156,482.68 : x - Step 2: Convert to fraction form
10,881,875,371/16,305,806,943.66 = 7,572,156,482.68/x - Step 3: Cross multiply
10,881,875,371x = 16,305,806,943.66 × 7,572,156,482.68 - Step 4: Simplify right side
10,881,875,371x = 123,470,121,753,763,627,008 - Step 5: Solve for x
x = 123,470,121,753,763,627,008/10,881,875,371 - Step 6: Final answer
x = 11,346,401,014.92
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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.