Finding the Fourth Proportional to 1,986,035,910.24, 2,740,628,263.68 and 1,093,943,432.64
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Solution
The fourth proportional to 1,986,035,910.24, 2,740,628,263.68 and 1,093,943,432.64 is: 1,509,586,143.38
Step by Step Solution
- Step 1: Write the proportion equation
1,986,035,910.24 : 2,740,628,263.68 = 1,093,943,432.64 : x - Step 2: Convert to fraction form
1,986,035,910.24/2,740,628,263.68 = 1,093,943,432.64/x - Step 3: Cross multiply
1,986,035,910.24x = 2,740,628,263.68 × 1,093,943,432.64 - Step 4: Simplify right side
1,986,035,910.24x = 2,998,092,290,360,302,592 - Step 5: Solve for x
x = 2,998,092,290,360,302,592/1,986,035,910.24 - Step 6: Final answer
x = 1,509,586,143.38
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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.