Finding the Fourth Proportional to 379,104,000.40, 568,656,000.60 and 310,229,246.80
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Solution
The fourth proportional to 379,104,000.40, 568,656,000.60 and 310,229,246.80 is: 465,343,870.20
Step by Step Solution
- Step 1: Write the proportion equation
379,104,000.40 : 568,656,000.60 = 310,229,246.80 : x - Step 2: Convert to fraction form
379,104,000.40/568,656,000.60 = 310,229,246.80/x - Step 3: Cross multiply
379,104,000.40x = 568,656,000.60 × 310,229,246.80 - Step 4: Simplify right side
379,104,000.40x = 176,413,722,754,438,368 - Step 5: Solve for x
x = 176,413,722,754,438,368/379,104,000.40 - Step 6: Final answer
x = 465,343,870.20
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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.