Finding the Fourth Proportional to 2,649,901,872.07, 3,656,817,140.88 and 1,444,253,977.36
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Solution
The fourth proportional to 2,649,901,872.07, 3,656,817,140.88 and 1,444,253,977.36 is: 1,993,044,631.52
Step by Step Solution
- Step 1: Write the proportion equation
2,649,901,872.07 : 3,656,817,140.88 = 1,444,253,977.36 : x - Step 2: Convert to fraction form
2,649,901,872.07/3,656,817,140.88 = 1,444,253,977.36/x - Step 3: Cross multiply
2,649,901,872.07x = 3,656,817,140.88 × 1,444,253,977.36 - Step 4: Simplify right side
2,649,901,872.07x = 5,281,372,700,194,163,712 - Step 5: Solve for x
x = 5,281,372,700,194,163,712/2,649,901,872.07 - Step 6: Final answer
x = 1,993,044,631.52
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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.