Finding the Fourth Proportional to 10,391,205,836.06, 15,586,808,452.77 and 4,793,486,738.30
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Solution
The fourth proportional to 10,391,205,836.06, 15,586,808,452.77 and 4,793,486,738.30 is: 7,190,229,968.45
Step by Step Solution
- Step 1: Write the proportion equation
10,391,205,836.06 : 15,586,808,452.77 = 4,793,486,738.30 : x - Step 2: Convert to fraction form
10,391,205,836.06/15,586,808,452.77 = 4,793,486,738.30/x - Step 3: Cross multiply
10,391,205,836.06x = 15,586,808,452.77 × 4,793,486,738.30 - Step 4: Simplify right side
10,391,205,836.06x = 74,715,159,610,775,339,008 - Step 5: Solve for x
x = 74,715,159,610,775,339,008/10,391,205,836.06 - Step 6: Final answer
x = 7,190,229,968.45
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Double scale
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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.