Finding the Fourth Proportional to 497,626,234.40, 745,487,569.20 and 267,518,842.40
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Solution
The fourth proportional to 497,626,234.40, 745,487,569.20 and 267,518,842.40 is: 400,766,594.99
Step by Step Solution
- Step 1: Write the proportion equation
497,626,234.40 : 745,487,569.20 = 267,518,842.40 : x - Step 2: Convert to fraction form
497,626,234.40/745,487,569.20 = 267,518,842.40/x - Step 3: Cross multiply
497,626,234.40x = 745,487,569.20 × 267,518,842.40 - Step 4: Simplify right side
497,626,234.40x = 199,431,971,535,973,920 - Step 5: Solve for x
x = 199,431,971,535,973,920/497,626,234.40 - Step 6: Final answer
x = 400,766,594.99
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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.