Finding the Fourth Proportional to 330,725,375.33, 456,444,478.01 and 189,651,803.09
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Solution
The fourth proportional to 330,725,375.33, 456,444,478.01 and 189,651,803.09 is: 261,744,410.08
Step by Step Solution
- Step 1: Write the proportion equation
330,725,375.33 : 456,444,478.01 = 189,651,803.09 : x - Step 2: Convert to fraction form
330,725,375.33/456,444,478.01 = 189,651,803.09/x - Step 3: Cross multiply
330,725,375.33x = 456,444,478.01 × 189,651,803.09 - Step 4: Simplify right side
330,725,375.33x = 86,565,518,263,262,256 - Step 5: Solve for x
x = 86,565,518,263,262,256/330,725,375.33 - Step 6: Final answer
x = 261,744,410.08
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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.