Finding the Fourth Proportional to 4,903,967,198.86, 7,358,246,656.18 and 2,143,237,492.06
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Solution
The fourth proportional to 4,903,967,198.86, 7,358,246,656.18 and 2,143,237,492.06 is: 3,215,859,623.41
Step by Step Solution
- Step 1: Write the proportion equation
4,903,967,198.86 : 7,358,246,656.18 = 2,143,237,492.06 : x - Step 2: Convert to fraction form
4,903,967,198.86/7,358,246,656.18 = 2,143,237,492.06/x - Step 3: Cross multiply
4,903,967,198.86x = 7,358,246,656.18 × 2,143,237,492.06 - Step 4: Simplify right side
4,903,967,198.86x = 15,770,470,109,326,348,288 - Step 5: Solve for x
x = 15,770,470,109,326,348,288/4,903,967,198.86 - Step 6: Final answer
x = 3,215,859,623.41
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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.