Finding the Fourth Proportional to 3,471,418,473.68, 4,790,592,653.64 and 1,885,541,402
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Solution
The fourth proportional to 3,471,418,473.68, 4,790,592,653.64 and 1,885,541,402 is: 2,602,066,232.30
Step by Step Solution
- Step 1: Write the proportion equation
3,471,418,473.68 : 4,790,592,653.64 = 1,885,541,402 : x - Step 2: Convert to fraction form
3,471,418,473.68/4,790,592,653.64 = 1,885,541,402/x - Step 3: Cross multiply
3,471,418,473.68x = 4,790,592,653.64 × 1,885,541,402 - Step 4: Simplify right side
3,471,418,473.68x = 9,032,860,788,555,267,072 - Step 5: Solve for x
x = 9,032,860,788,555,267,072/3,471,418,473.68 - Step 6: Final answer
x = 2,602,066,232.30
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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.