Finding the Fourth Proportional to 325,258,250.76, 448,864,193.16 and 176,585,638.14
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Solution
The fourth proportional to 325,258,250.76, 448,864,193.16 and 176,585,638.14 is: 243,692,419.18
Step by Step Solution
- Step 1: Write the proportion equation
325,258,250.76 : 448,864,193.16 = 176,585,638.14 : x - Step 2: Convert to fraction form
325,258,250.76/448,864,193.16 = 176,585,638.14/x - Step 3: Cross multiply
325,258,250.76x = 448,864,193.16 × 176,585,638.14 - Step 4: Simplify right side
325,258,250.76x = 79,262,969,987,354,816 - Step 5: Solve for x
x = 79,262,969,987,354,816/325,258,250.76 - Step 6: Final answer
x = 243,692,419.18
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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.