Finding the Fourth Proportional to 1,797,262,495.80, 2,695,893,743.70 and 435,653,791.80
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Solution
The fourth proportional to 1,797,262,495.80, 2,695,893,743.70 and 435,653,791.80 is: 653,480,687.70
Step by Step Solution
- Step 1: Write the proportion equation
1,797,262,495.80 : 2,695,893,743.70 = 435,653,791.80 : x - Step 2: Convert to fraction form
1,797,262,495.80/2,695,893,743.70 = 435,653,791.80/x - Step 3: Cross multiply
1,797,262,495.80x = 2,695,893,743.70 × 435,653,791.80 - Step 4: Simplify right side
1,797,262,495.80x = 1,174,476,331,732,802,304 - Step 5: Solve for x
x = 1,174,476,331,732,802,304/1,797,262,495.80 - Step 6: Final answer
x = 653,480,687.70
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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.