Finding the Fourth Proportional to 2,555,432,930.97, 3,526,531,708.95 and 1,441,595,580.57
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Solution
The fourth proportional to 2,555,432,930.97, 3,526,531,708.95 and 1,441,595,580.57 is: 1,989,421,230.65
Step by Step Solution
- Step 1: Write the proportion equation
2,555,432,930.97 : 3,526,531,708.95 = 1,441,595,580.57 : x - Step 2: Convert to fraction form
2,555,432,930.97/3,526,531,708.95 = 1,441,595,580.57/x - Step 3: Cross multiply
2,555,432,930.97x = 3,526,531,708.95 × 1,441,595,580.57 - Step 4: Simplify right side
2,555,432,930.97x = 5,083,832,526,362,289,152 - Step 5: Solve for x
x = 5,083,832,526,362,289,152/2,555,432,930.97 - Step 6: Final answer
x = 1,989,421,230.65
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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.