Finding the Fourth Proportional to 373,566,286.80, 560,349,430.20 and 352,403,125.20
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Solution
The fourth proportional to 373,566,286.80, 560,349,430.20 and 352,403,125.20 is: 528,604,687.80
Step by Step Solution
- Step 1: Write the proportion equation
373,566,286.80 : 560,349,430.20 = 352,403,125.20 : x - Step 2: Convert to fraction form
373,566,286.80/560,349,430.20 = 352,403,125.20/x - Step 3: Cross multiply
373,566,286.80x = 560,349,430.20 × 352,403,125.20 - Step 4: Simplify right side
373,566,286.80x = 197,468,890,406,519,264 - Step 5: Solve for x
x = 197,468,890,406,519,264/373,566,286.80 - Step 6: Final answer
x = 528,604,687.80
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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.