Finding the Fourth Proportional to 2,211,723,991.80, 3,052,189,511.51 and 1,208,155,482.09
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Solution
The fourth proportional to 2,211,723,991.80, 3,052,189,511.51 and 1,208,155,482.09 is: 1,667,260,247.83
Step by Step Solution
- Step 1: Write the proportion equation
2,211,723,991.80 : 3,052,189,511.51 = 1,208,155,482.09 : x - Step 2: Convert to fraction form
2,211,723,991.80/3,052,189,511.51 = 1,208,155,482.09/x - Step 3: Cross multiply
2,211,723,991.80x = 3,052,189,511.51 × 1,208,155,482.09 - Step 4: Simplify right side
2,211,723,991.80x = 3,687,519,490,702,364,672 - Step 5: Solve for x
x = 3,687,519,490,702,364,672/2,211,723,991.80 - Step 6: Final answer
x = 1,667,260,247.83
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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.