Finding the Fourth Proportional to 783,744,923.96, 1,175,727,821.14 and 251,777,970.79
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Solution
The fourth proportional to 783,744,923.96, 1,175,727,821.14 and 251,777,970.79 is: 377,702,433.47
Step by Step Solution
- Step 1: Write the proportion equation
783,744,923.96 : 1,175,727,821.14 = 251,777,970.79 : x - Step 2: Convert to fraction form
783,744,923.96/1,175,727,821.14 = 251,777,970.79/x - Step 3: Cross multiply
783,744,923.96x = 1,175,727,821.14 × 251,777,970.79 - Step 4: Simplify right side
783,744,923.96x = 296,022,365,002,663,104 - Step 5: Solve for x
x = 296,022,365,002,663,104/783,744,923.96 - Step 6: Final answer
x = 377,702,433.47
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1.5x scale
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.