Finding the Fourth Proportional to 4,908,222,917.52, 6,773,355,204.30 and 2,793,678,839.88
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Solution
The fourth proportional to 4,908,222,917.52, 6,773,355,204.30 and 2,793,678,839.88 is: 3,855,281,112.38
Step by Step Solution
- Step 1: Write the proportion equation
4,908,222,917.52 : 6,773,355,204.30 = 2,793,678,839.88 : x - Step 2: Convert to fraction form
4,908,222,917.52/6,773,355,204.30 = 2,793,678,839.88/x - Step 3: Cross multiply
4,908,222,917.52x = 6,773,355,204.30 × 2,793,678,839.88 - Step 4: Simplify right side
4,908,222,917.52x = 18,922,579,109,243,985,920 - Step 5: Solve for x
x = 18,922,579,109,243,985,920/4,908,222,917.52 - Step 6: Final answer
x = 3,855,281,112.38
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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.