Finding the Fourth Proportional to 2,862,774,311.70, 4,294,161,467.55 and 2,128,110,273.30
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Solution
The fourth proportional to 2,862,774,311.70, 4,294,161,467.55 and 2,128,110,273.30 is: 3,192,165,409.95
Step by Step Solution
- Step 1: Write the proportion equation
2,862,774,311.70 : 4,294,161,467.55 = 2,128,110,273.30 : x - Step 2: Convert to fraction form
2,862,774,311.70/4,294,161,467.55 = 2,128,110,273.30/x - Step 3: Cross multiply
2,862,774,311.70x = 4,294,161,467.55 × 2,128,110,273.30 - Step 4: Simplify right side
2,862,774,311.70x = 9,138,449,134,302,159,872 - Step 5: Solve for x
x = 9,138,449,134,302,159,872/2,862,774,311.70 - Step 6: Final answer
x = 3,192,165,409.95
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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.