Finding the Fourth Proportional to 2,742,364,966.90, 3,784,464,201.14 and 1,670,668,257.58
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Solution
The fourth proportional to 2,742,364,966.90, 3,784,464,201.14 and 1,670,668,257.58 is: 2,305,522,528.59
Step by Step Solution
- Step 1: Write the proportion equation
2,742,364,966.90 : 3,784,464,201.14 = 1,670,668,257.58 : x - Step 2: Convert to fraction form
2,742,364,966.90/3,784,464,201.14 = 1,670,668,257.58/x - Step 3: Cross multiply
2,742,364,966.90x = 3,784,464,201.14 × 1,670,668,257.58 - Step 4: Simplify right side
2,742,364,966.90x = 6,322,584,212,792,450,048 - Step 5: Solve for x
x = 6,322,584,212,792,450,048/2,742,364,966.90 - Step 6: Final answer
x = 2,305,522,528.59
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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.