Finding the Fourth Proportional to 2,212,175,431.82, 3,052,803,320.70 and 1,194,900,853.62
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Solution
The fourth proportional to 2,212,175,431.82, 3,052,803,320.70 and 1,194,900,853.62 is: 1,648,963,839.56
Step by Step Solution
- Step 1: Write the proportion equation
2,212,175,431.82 : 3,052,803,320.70 = 1,194,900,853.62 : x - Step 2: Convert to fraction form
2,212,175,431.82/3,052,803,320.70 = 1,194,900,853.62/x - Step 3: Cross multiply
2,212,175,431.82x = 3,052,803,320.70 × 1,194,900,853.62 - Step 4: Simplify right side
2,212,175,431.82x = 3,647,797,293,838,400,000 - Step 5: Solve for x
x = 3,647,797,293,838,400,000/2,212,175,431.82 - Step 6: Final answer
x = 1,648,963,839.56
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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.