Finding the Fourth Proportional to 377,975,450.73, 521,579,486.84 and 210,704,312.94
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Solution
The fourth proportional to 377,975,450.73, 521,579,486.84 and 210,704,312.94 is: 290,757,103.95
Step by Step Solution
- Step 1: Write the proportion equation
377,975,450.73 : 521,579,486.84 = 210,704,312.94 : x - Step 2: Convert to fraction form
377,975,450.73/521,579,486.84 = 210,704,312.94/x - Step 3: Cross multiply
377,975,450.73x = 521,579,486.84 × 210,704,312.94 - Step 4: Simplify right side
377,975,450.73x = 109,899,047,418,219,968 - Step 5: Solve for x
x = 109,899,047,418,219,968/377,975,450.73 - Step 6: Final answer
x = 290,757,103.95
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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.