Finding the Fourth Proportional to 590,503,229.80, 885,754,844.70 and 318,405,437.80
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Solution
The fourth proportional to 590,503,229.80, 885,754,844.70 and 318,405,437.80 is: 477,608,156.70
Step by Step Solution
- Step 1: Write the proportion equation
590,503,229.80 : 885,754,844.70 = 318,405,437.80 : x - Step 2: Convert to fraction form
590,503,229.80/885,754,844.70 = 318,405,437.80/x - Step 3: Cross multiply
590,503,229.80x = 885,754,844.70 × 318,405,437.80 - Step 4: Simplify right side
590,503,229.80x = 282,029,159,110,174,528 - Step 5: Solve for x
x = 282,029,159,110,174,528/590,503,229.80 - Step 6: Final answer
x = 477,608,156.70
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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.