Finding the Fourth Proportional to 3,742,288,905.74, 5,163,533,060.40 and 2,215,618,982.46
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Solution
The fourth proportional to 3,742,288,905.74, 5,163,533,060.40 and 2,215,618,982.46 is: 3,057,065,382.54
Step by Step Solution
- Step 1: Write the proportion equation
3,742,288,905.74 : 5,163,533,060.40 = 2,215,618,982.46 : x - Step 2: Convert to fraction form
3,742,288,905.74/5,163,533,060.40 = 2,215,618,982.46/x - Step 3: Cross multiply
3,742,288,905.74x = 5,163,533,060.40 × 2,215,618,982.46 - Step 4: Simplify right side
3,742,288,905.74x = 11,440,421,865,182,017,536 - Step 5: Solve for x
x = 11,440,421,865,182,017,536/3,742,288,905.74 - Step 6: Final answer
x = 3,057,065,382.54
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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.