Finding the Fourth Proportional to 325,422,197.60, 449,085,871.62 and 176,746,226.99
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Solution
The fourth proportional to 325,422,197.60, 449,085,871.62 and 176,746,226.99 is: 243,911,552.40
Step by Step Solution
- Step 1: Write the proportion equation
325,422,197.60 : 449,085,871.62 = 176,746,226.99 : x - Step 2: Convert to fraction form
325,422,197.60/449,085,871.62 = 176,746,226.99/x - Step 3: Cross multiply
325,422,197.60x = 449,085,871.62 × 176,746,226.99 - Step 4: Simplify right side
325,422,197.60x = 79,374,233,401,105,104 - Step 5: Solve for x
x = 79,374,233,401,105,104/325,422,197.60 - Step 6: Final answer
x = 243,911,552.40
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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.