Finding the Fourth Proportional to 283,918,868.20, 425,878,302.30 and 186,984,029.80
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Solution
The fourth proportional to 283,918,868.20, 425,878,302.30 and 186,984,029.80 is: 280,476,044.70
Step by Step Solution
- Step 1: Write the proportion equation
283,918,868.20 : 425,878,302.30 = 186,984,029.80 : x - Step 2: Convert to fraction form
283,918,868.20/425,878,302.30 = 186,984,029.80/x - Step 3: Cross multiply
283,918,868.20x = 425,878,302.30 × 186,984,029.80 - Step 4: Simplify right side
283,918,868.20x = 79,632,441,168,436,608 - Step 5: Solve for x
x = 79,632,441,168,436,608/283,918,868.20 - Step 6: Final answer
x = 280,476,044.70
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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.