Finding the Fourth Proportional to 3,920,409,037.20, 5,887,416,000.60 and 2,083,748,941.20
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Solution
The fourth proportional to 3,920,409,037.20, 5,887,416,000.60 and 2,083,748,941.20 is: 3,129,239,000.64
Step by Step Solution
- Step 1: Write the proportion equation
3,920,409,037.20 : 5,887,416,000.60 = 2,083,748,941.20 : x - Step 2: Convert to fraction form
3,920,409,037.20/5,887,416,000.60 = 2,083,748,941.20/x - Step 3: Cross multiply
3,920,409,037.20x = 5,887,416,000.60 × 2,083,748,941.20 - Step 4: Simplify right side
3,920,409,037.20x = 12,267,896,857,654,190,080 - Step 5: Solve for x
x = 12,267,896,857,654,190,080/3,920,409,037.20 - Step 6: Final answer
x = 3,129,239,000.64
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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.