Finding the Fourth Proportional to 5,391,344,010.35, 8,087,885,006.99 and 1,660,633,666.92
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Solution
The fourth proportional to 5,391,344,010.35, 8,087,885,006.99 and 1,660,633,666.92 is: 2,491,218,165.82
Step by Step Solution
- Step 1: Write the proportion equation
5,391,344,010.35 : 8,087,885,006.99 = 1,660,633,666.92 : x - Step 2: Convert to fraction form
5,391,344,010.35/8,087,885,006.99 = 1,660,633,666.92/x - Step 3: Cross multiply
5,391,344,010.35x = 8,087,885,006.99 × 1,660,633,666.92 - Step 4: Simplify right side
5,391,344,010.35x = 13,431,014,136,785,094,656 - Step 5: Solve for x
x = 13,431,014,136,785,094,656/5,391,344,010.35 - Step 6: Final answer
x = 2,491,218,165.82
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1.5x scale
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.