Finding the Fourth Proportional to 330,944,157.63, 456,688,199.36 and 189,714,130.65
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Solution
The fourth proportional to 330,944,157.63, 456,688,199.36 and 189,714,130.65 is: 261,797,051.62
Step by Step Solution
- Step 1: Write the proportion equation
330,944,157.63 : 456,688,199.36 = 189,714,130.65 : x - Step 2: Convert to fraction form
330,944,157.63/456,688,199.36 = 189,714,130.65/x - Step 3: Cross multiply
330,944,157.63x = 456,688,199.36 × 189,714,130.65 - Step 4: Simplify right side
330,944,157.63x = 86,640,204,718,747,728 - Step 5: Solve for x
x = 86,640,204,718,747,728/330,944,157.63 - Step 6: Final answer
x = 261,797,051.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.