Finding the Fourth Proportional to 7,609,628,678.40, 11,411,704,456.20 and 2,633,998,625.28
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Solution
The fourth proportional to 7,609,628,678.40, 11,411,704,456.20 and 2,633,998,625.28 is: 3,950,050,011.65
Step by Step Solution
- Step 1: Write the proportion equation
7,609,628,678.40 : 11,411,704,456.20 = 2,633,998,625.28 : x - Step 2: Convert to fraction form
7,609,628,678.40/11,411,704,456.20 = 2,633,998,625.28/x - Step 3: Cross multiply
7,609,628,678.40x = 11,411,704,456.20 × 2,633,998,625.28 - Step 4: Simplify right side
7,609,628,678.40x = 30,058,413,849,732,452,352 - Step 5: Solve for x
x = 30,058,413,849,732,452,352/7,609,628,678.40 - Step 6: Final answer
x = 3,950,050,011.65
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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.