Finding the Fourth Proportional to 895,737,966.51, 1,233,305,295.80 and 761,511,764.91
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Solution
The fourth proportional to 895,737,966.51, 1,233,305,295.80 and 761,511,764.91 is: 1,048,494,679.90
Step by Step Solution
- Step 1: Write the proportion equation
895,737,966.51 : 1,233,305,295.80 = 761,511,764.91 : x - Step 2: Convert to fraction form
895,737,966.51/1,233,305,295.80 = 761,511,764.91/x - Step 3: Cross multiply
895,737,966.51x = 1,233,305,295.80 × 761,511,764.91 - Step 4: Simplify right side
895,737,966.51x = 939,176,492,473,700,096 - Step 5: Solve for x
x = 939,176,492,473,700,096/895,737,966.51 - Step 6: Final answer
x = 1,048,494,679.90
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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.