Finding the Fourth Proportional to 324,990,620.98, 448,487,926.26 and 176,311,742.08
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Solution
The fourth proportional to 324,990,620.98, 448,487,926.26 and 176,311,742.08 is: 243,310,675.68
Step by Step Solution
- Step 1: Write the proportion equation
324,990,620.98 : 448,487,926.26 = 176,311,742.08 : x - Step 2: Convert to fraction form
324,990,620.98/448,487,926.26 = 176,311,742.08/x - Step 3: Cross multiply
324,990,620.98x = 448,487,926.26 × 176,311,742.08 - Step 4: Simplify right side
324,990,620.98x = 79,073,687,580,746,032 - Step 5: Solve for x
x = 79,073,687,580,746,032/324,990,620.98 - Step 6: Final answer
x = 243,310,675.68
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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.