Finding the Fourth Proportional to 1,552,893,538.38, 2,330,497,175.88 and 1,139,438,738.94
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Solution
The fourth proportional to 1,552,893,538.38, 2,330,497,175.88 and 1,139,438,738.94 is: 1,710,006,962.85
Step by Step Solution
- Step 1: Write the proportion equation
1,552,893,538.38 : 2,330,497,175.88 = 1,139,438,738.94 : x - Step 2: Convert to fraction form
1,552,893,538.38/2,330,497,175.88 = 1,139,438,738.94/x - Step 3: Cross multiply
1,552,893,538.38x = 2,330,497,175.88 × 1,139,438,738.94 - Step 4: Simplify right side
1,552,893,538.38x = 2,655,458,763,187,938,816 - Step 5: Solve for x
x = 2,655,458,763,187,938,816/1,552,893,538.38 - Step 6: Final answer
x = 1,710,006,962.85
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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.