Finding the Fourth Proportional to 5,391,344,021.76, 8,087,885,024.04 and 1,660,633,678.35
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Solution
The fourth proportional to 5,391,344,021.76, 8,087,885,024.04 and 1,660,633,678.35 is: 2,491,218,182.95
Step by Step Solution
- Step 1: Write the proportion equation
5,391,344,021.76 : 8,087,885,024.04 = 1,660,633,678.35 : x - Step 2: Convert to fraction form
5,391,344,021.76/8,087,885,024.04 = 1,660,633,678.35/x - Step 3: Cross multiply
5,391,344,021.76x = 8,087,885,024.04 × 1,660,633,678.35 - Step 4: Simplify right side
5,391,344,021.76x = 13,431,014,257,543,421,952 - Step 5: Solve for x
x = 13,431,014,257,543,421,952/5,391,344,021.76 - Step 6: Final answer
x = 2,491,218,182.95
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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.