Finding the Fourth Proportional to 330,702,133.68, 456,339,281.76 and 191,482,291.80
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Solution
The fourth proportional to 330,702,133.68, 456,339,281.76 and 191,482,291.80 is: 264,228,387.45
Step by Step Solution
- Step 1: Write the proportion equation
330,702,133.68 : 456,339,281.76 = 191,482,291.80 : x - Step 2: Convert to fraction form
330,702,133.68/456,339,281.76 = 191,482,291.80/x - Step 3: Cross multiply
330,702,133.68x = 456,339,281.76 × 191,482,291.80 - Step 4: Simplify right side
330,702,133.68x = 87,380,891,509,770,736 - Step 5: Solve for x
x = 87,380,891,509,770,736/330,702,133.68 - Step 6: Final answer
x = 264,228,387.45
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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.