Finding the Fourth Proportional to 19,356,782,933.98, 29,038,277,234.94 and 8,166,305,449.18
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Solution
The fourth proportional to 19,356,782,933.98, 29,038,277,234.94 and 8,166,305,449.18 is: 12,250,767,207.92
Step by Step Solution
- Step 1: Write the proportion equation
19,356,782,933.98 : 29,038,277,234.94 = 8,166,305,449.18 : x - Step 2: Convert to fraction form
19,356,782,933.98/29,038,277,234.94 = 8,166,305,449.18/x - Step 3: Cross multiply
19,356,782,933.98x = 29,038,277,234.94 × 8,166,305,449.18 - Step 4: Simplify right side
19,356,782,933.98x = 237,135,441,618,490,064,896 - Step 5: Solve for x
x = 237,135,441,618,490,064,896/19,356,782,933.98 - Step 6: Final answer
x = 12,250,767,207.92
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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.