Finding the Fourth Proportional to 1,503,768,203.15, 2,255,649,203.24 and 848,421,733.19
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Solution
The fourth proportional to 1,503,768,203.15, 2,255,649,203.24 and 848,421,733.19 is: 1,272,630,849.94
Step by Step Solution
- Step 1: Write the proportion equation
1,503,768,203.15 : 2,255,649,203.24 = 848,421,733.19 : x - Step 2: Convert to fraction form
1,503,768,203.15/2,255,649,203.24 = 848,421,733.19/x - Step 3: Cross multiply
1,503,768,203.15x = 2,255,649,203.24 × 848,421,733.19 - Step 4: Simplify right side
1,503,768,203.15x = 1,913,741,806,486,059,520 - Step 5: Solve for x
x = 1,913,741,806,486,059,520/1,503,768,203.15 - Step 6: Final answer
x = 1,272,630,849.94
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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.