Finding the Fourth Proportional to 7,899,945,625.90, 10,901,506,129.18 and 4,512,189,645.60
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Solution
The fourth proportional to 7,899,945,625.90, 10,901,506,129.18 and 4,512,189,645.60 is: 6,226,582,486.37
Step by Step Solution
- Step 1: Write the proportion equation
7,899,945,625.90 : 10,901,506,129.18 = 4,512,189,645.60 : x - Step 2: Convert to fraction form
7,899,945,625.90/10,901,506,129.18 = 4,512,189,645.60/x - Step 3: Cross multiply
7,899,945,625.90x = 10,901,506,129.18 × 4,512,189,645.60 - Step 4: Simplify right side
7,899,945,625.90x = 49,189,663,077,530,935,296 - Step 5: Solve for x
x = 49,189,663,077,530,935,296/7,899,945,625.90 - Step 6: Final answer
x = 6,226,582,486.37
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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.