Finding the Fourth Proportional to 495,412,247.80, 743,118,371.70 and 204,129,435.70
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Solution
The fourth proportional to 495,412,247.80, 743,118,371.70 and 204,129,435.70 is: 306,194,153.55
Step by Step Solution
- Step 1: Write the proportion equation
495,412,247.80 : 743,118,371.70 = 204,129,435.70 : x - Step 2: Convert to fraction form
495,412,247.80/743,118,371.70 = 204,129,435.70/x - Step 3: Cross multiply
495,412,247.80x = 743,118,371.70 × 204,129,435.70 - Step 4: Simplify right side
495,412,247.80x = 151,692,333,873,423,840 - Step 5: Solve for x
x = 151,692,333,873,423,840/495,412,247.80 - Step 6: Final answer
x = 306,194,153.55
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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.