Finding the Fourth Proportional to 4,392,543,168.68, 6,588,809,188.86 and 1,120,992,446.12
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Solution
The fourth proportional to 4,392,543,168.68, 6,588,809,188.86 and 1,120,992,446.12 is: 1,681,487,249.19
Step by Step Solution
- Step 1: Write the proportion equation
4,392,543,168.68 : 6,588,809,188.86 = 1,120,992,446.12 : x - Step 2: Convert to fraction form
4,392,543,168.68/6,588,809,188.86 = 1,120,992,446.12/x - Step 3: Cross multiply
4,392,543,168.68x = 6,588,809,188.86 × 1,120,992,446.12 - Step 4: Simplify right side
4,392,543,168.68x = 7,386,005,329,638,103,040 - Step 5: Solve for x
x = 7,386,005,329,638,103,040/4,392,543,168.68 - Step 6: Final answer
x = 1,681,487,249.19
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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.