Finding the Fourth Proportional to 9,122,894,858,792.80, 12,590,674,196,738 and 5,419,125,800,251.60
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Solution
The fourth proportional to 9,122,894,858,792.80, 12,590,674,196,738 and 5,419,125,800,251.60 is: 7,479,034,718,496.54
Step by Step Solution
- Step 1: Write the proportion equation
9,122,894,858,792.80 : 12,590,674,196,738 = 5,419,125,800,251.60 : x - Step 2: Convert to fraction form
9,122,894,858,792.80/12,590,674,196,738 = 5,419,125,800,251.60/x - Step 3: Cross multiply
9,122,894,858,792.80x = 12,590,674,196,738 × 5,419,125,800,251.60 - Step 4: Simplify right side
9,122,894,858,792.80x = 68,230,447,382,104,977,866,489,856 - Step 5: Solve for x
x = 68,230,447,382,104,977,866,489,856/9,122,894,858,792.80 - Step 6: Final answer
x = 7,479,034,718,496.54
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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.