Finding the Fourth Proportional to 1,465,353,213.90, 2,198,029,820.85 and 1,455,149,546.70
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Solution
The fourth proportional to 1,465,353,213.90, 2,198,029,820.85 and 1,455,149,546.70 is: 2,182,724,320.05
Step by Step Solution
- Step 1: Write the proportion equation
1,465,353,213.90 : 2,198,029,820.85 = 1,455,149,546.70 : x - Step 2: Convert to fraction form
1,465,353,213.90/2,198,029,820.85 = 1,455,149,546.70/x - Step 3: Cross multiply
1,465,353,213.90x = 2,198,029,820.85 × 1,455,149,546.70 - Step 4: Simplify right side
1,465,353,213.90x = 3,198,462,097,442,959,872 - Step 5: Solve for x
x = 3,198,462,097,442,959,872/1,465,353,213.90 - Step 6: Final answer
x = 2,182,724,320.05
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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.