Finding the Fourth Proportional to 1,921,241,238.68, 2,651,315,177.40 and 1,041,174,942.68
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Solution
The fourth proportional to 1,921,241,238.68, 2,651,315,177.40 and 1,041,174,942.68 is: 1,436,822,650.00
Step by Step Solution
- Step 1: Write the proportion equation
1,921,241,238.68 : 2,651,315,177.40 = 1,041,174,942.68 : x - Step 2: Convert to fraction form
1,921,241,238.68/2,651,315,177.40 = 1,041,174,942.68/x - Step 3: Cross multiply
1,921,241,238.68x = 2,651,315,177.40 × 1,041,174,942.68 - Step 4: Simplify right side
1,921,241,238.68x = 2,760,482,927,856,058,880 - Step 5: Solve for x
x = 2,760,482,927,856,058,880/1,921,241,238.68 - Step 6: Final answer
x = 1,436,822,650.00
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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.