Finding the Fourth Proportional to 523,952,855.99, 723,057,189.18 and 285,803,230.27
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Solution
The fourth proportional to 523,952,855.99, 723,057,189.18 and 285,803,230.27 is: 394,409,683.95
Step by Step Solution
- Step 1: Write the proportion equation
523,952,855.99 : 723,057,189.18 = 285,803,230.27 : x - Step 2: Convert to fraction form
523,952,855.99/723,057,189.18 = 285,803,230.27/x - Step 3: Cross multiply
523,952,855.99x = 723,057,189.18 × 285,803,230.27 - Step 4: Simplify right side
523,952,855.99x = 206,652,080,337,590,464 - Step 5: Solve for x
x = 206,652,080,337,590,464/523,952,855.99 - Step 6: Final answer
x = 394,409,683.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.