Finding the Fourth Proportional to 704,713,205.80, 1,057,069,808.70 and 194,109,941.80
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Solution
The fourth proportional to 704,713,205.80, 1,057,069,808.70 and 194,109,941.80 is: 291,164,912.70
Step by Step Solution
- Step 1: Write the proportion equation
704,713,205.80 : 1,057,069,808.70 = 194,109,941.80 : x - Step 2: Convert to fraction form
704,713,205.80/1,057,069,808.70 = 194,109,941.80/x - Step 3: Cross multiply
704,713,205.80x = 1,057,069,808.70 × 194,109,941.80 - Step 4: Simplify right side
704,713,205.80x = 205,187,759,045,294,144 - Step 5: Solve for x
x = 205,187,759,045,294,144/704,713,205.80 - Step 6: Final answer
x = 291,164,912.70
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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.