Finding the Fourth Proportional to 1,304,566,855.84, 1,799,616,205.38 and 775,554,592.24
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Solution
The fourth proportional to 1,304,566,855.84, 1,799,616,205.38 and 775,554,592.24 is: 1,069,857,482.66
Step by Step Solution
- Step 1: Write the proportion equation
1,304,566,855.84 : 1,799,616,205.38 = 775,554,592.24 : x - Step 2: Convert to fraction form
1,304,566,855.84/1,799,616,205.38 = 775,554,592.24/x - Step 3: Cross multiply
1,304,566,855.84x = 1,799,616,205.38 × 775,554,592.24 - Step 4: Simplify right side
1,304,566,855.84x = 1,395,700,612,351,982,080 - Step 5: Solve for x
x = 1,395,700,612,351,982,080/1,304,566,855.84 - Step 6: Final answer
x = 1,069,857,482.66
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1.5x scale
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.