Finding the Fourth Proportional to 3,921,320,501.87, 5,881,977,158.94 and 1,229,160,197.68
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Solution
The fourth proportional to 3,921,320,501.87, 5,881,977,158.94 and 1,229,160,197.68 is: 1,843,739,170.00
Step by Step Solution
- Step 1: Write the proportion equation
3,921,320,501.87 : 5,881,977,158.94 = 1,229,160,197.68 : x - Step 2: Convert to fraction form
3,921,320,501.87/5,881,977,158.94 = 1,229,160,197.68/x - Step 3: Cross multiply
3,921,320,501.87x = 5,881,977,158.94 × 1,229,160,197.68 - Step 4: Simplify right side
3,921,320,501.87x = 7,229,892,207,417,229,312 - Step 5: Solve for x
x = 7,229,892,207,417,229,312/3,921,320,501.87 - Step 6: Final answer
x = 1,843,739,170.00
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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.