Finding the Fourth Proportional to 3,609,938,134.56, 4,980,523,798.26 and 2,180,475,120.36
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Solution
The fourth proportional to 3,609,938,134.56, 4,980,523,798.26 and 2,180,475,120.36 is: 3,008,336,382.42
Step by Step Solution
- Step 1: Write the proportion equation
3,609,938,134.56 : 4,980,523,798.26 = 2,180,475,120.36 : x - Step 2: Convert to fraction form
3,609,938,134.56/4,980,523,798.26 = 2,180,475,120.36/x - Step 3: Cross multiply
3,609,938,134.56x = 4,980,523,798.26 × 2,180,475,120.36 - Step 4: Simplify right side
3,609,938,134.56x = 10,859,908,228,466,819,072 - Step 5: Solve for x
x = 10,859,908,228,466,819,072/3,609,938,134.56 - Step 6: Final answer
x = 3,008,336,382.42
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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.