Finding the Fourth Proportional to 5,481,146,792.08, 7,563,780,032.07 and 2,974,966,695.46
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Solution
The fourth proportional to 5,481,146,792.08, 7,563,780,032.07 and 2,974,966,695.46 is: 4,105,344,107.86
Step by Step Solution
- Step 1: Write the proportion equation
5,481,146,792.08 : 7,563,780,032.07 = 2,974,966,695.46 : x - Step 2: Convert to fraction form
5,481,146,792.08/7,563,780,032.07 = 2,974,966,695.46/x - Step 3: Cross multiply
5,481,146,792.08x = 7,563,780,032.07 × 2,974,966,695.46 - Step 4: Simplify right side
5,481,146,792.08x = 22,501,993,687,193,620,480 - Step 5: Solve for x
x = 22,501,993,687,193,620,480/5,481,146,792.08 - Step 6: Final answer
x = 4,105,344,107.86
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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.