Finding the Fourth Proportional to 7,401,395,131.24, 11,100,901,407.90 and 2,159,772,690.28
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Solution
The fourth proportional to 7,401,395,131.24, 11,100,901,407.90 and 2,159,772,690.28 is: 3,239,311,409.96
Step by Step Solution
- Step 1: Write the proportion equation
7,401,395,131.24 : 11,100,901,407.90 = 2,159,772,690.28 : x - Step 2: Convert to fraction form
7,401,395,131.24/11,100,901,407.90 = 2,159,772,690.28/x - Step 3: Cross multiply
7,401,395,131.24x = 11,100,901,407.90 × 2,159,772,690.28 - Step 4: Simplify right side
7,401,395,131.24x = 23,975,423,698,273,222,656 - Step 5: Solve for x
x = 23,975,423,698,273,222,656/7,401,395,131.24 - Step 6: Final answer
x = 3,239,311,409.96
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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.