Finding the Fourth Proportional to 8,391,981,855.06, 11,580,787,894.05 and 4,632,695,728.02
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Solution
The fourth proportional to 8,391,981,855.06, 11,580,787,894.05 and 4,632,695,728.02 is: 6,393,038,918.63
Step by Step Solution
- Step 1: Write the proportion equation
8,391,981,855.06 : 11,580,787,894.05 = 4,632,695,728.02 : x - Step 2: Convert to fraction form
8,391,981,855.06/11,580,787,894.05 = 4,632,695,728.02/x - Step 3: Cross multiply
8,391,981,855.06x = 11,580,787,894.05 × 4,632,695,728.02 - Step 4: Simplify right side
8,391,981,855.06x = 53,650,266,603,871,166,464 - Step 5: Solve for x
x = 53,650,266,603,871,166,464/8,391,981,855.06 - Step 6: Final answer
x = 6,393,038,918.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.