Finding the Fourth Proportional to 442,330,252.80, 662,649,350.40 and 237,790,348.80
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Solution
The fourth proportional to 442,330,252.80, 662,649,350.40 and 237,790,348.80 is: 356,230,710.35
Step by Step Solution
- Step 1: Write the proportion equation
442,330,252.80 : 662,649,350.40 = 237,790,348.80 : x - Step 2: Convert to fraction form
442,330,252.80/662,649,350.40 = 237,790,348.80/x - Step 3: Cross multiply
442,330,252.80x = 662,649,350.40 × 237,790,348.80 - Step 4: Simplify right side
442,330,252.80x = 157,571,620,163,709,408 - Step 5: Solve for x
x = 157,571,620,163,709,408/442,330,252.80 - Step 6: Final answer
x = 356,230,710.35
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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.