Finding the Fourth Proportional to 312,714,752.22, 431,367,063.84 and 195,035,777.28
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Solution
The fourth proportional to 312,714,752.22, 431,367,063.84 and 195,035,777.28 is: 269,037,549.37
Step by Step Solution
- Step 1: Write the proportion equation
312,714,752.22 : 431,367,063.84 = 195,035,777.28 : x - Step 2: Convert to fraction form
312,714,752.22/431,367,063.84 = 195,035,777.28/x - Step 3: Cross multiply
312,714,752.22x = 431,367,063.84 × 195,035,777.28 - Step 4: Simplify right side
312,714,752.22x = 84,132,010,589,025,776 - Step 5: Solve for x
x = 84,132,010,589,025,776/312,714,752.22 - Step 6: Final answer
x = 269,037,549.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.