Finding the Fourth Proportional to 669,299,114.98, 922,659,329.50 and 467,730,176.72
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Solution
The fourth proportional to 669,299,114.98, 922,659,329.50 and 467,730,176.72 is: 644,787,362.75
Step by Step Solution
- Step 1: Write the proportion equation
669,299,114.98 : 922,659,329.50 = 467,730,176.72 : x - Step 2: Convert to fraction form
669,299,114.98/922,659,329.50 = 467,730,176.72/x - Step 3: Cross multiply
669,299,114.98x = 922,659,329.50 × 467,730,176.72 - Step 4: Simplify right side
669,299,114.98x = 431,555,611,239,391,744 - Step 5: Solve for x
x = 431,555,611,239,391,744/669,299,114.98 - Step 6: Final answer
x = 644,787,362.75
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1.5x scale
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.