Finding the Fourth Proportional to 590,976,201.40, 886,464,302.10 and 358,181,423.80
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Solution
The fourth proportional to 590,976,201.40, 886,464,302.10 and 358,181,423.80 is: 537,272,135.70
Step by Step Solution
- Step 1: Write the proportion equation
590,976,201.40 : 886,464,302.10 = 358,181,423.80 : x - Step 2: Convert to fraction form
590,976,201.40/886,464,302.10 = 358,181,423.80/x - Step 3: Cross multiply
590,976,201.40x = 886,464,302.10 × 358,181,423.80 - Step 4: Simplify right side
590,976,201.40x = 317,515,045,874,051,328 - Step 5: Solve for x
x = 317,515,045,874,051,328/590,976,201.40 - Step 6: Final answer
x = 537,272,135.70
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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.