Finding the Fourth Proportional to 5,154,666,201.63, 7,728,834,956.73 and 2,003,201,085.18
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Solution
The fourth proportional to 5,154,666,201.63, 7,728,834,956.73 and 2,003,201,085.18 is: 3,003,571,902.99
Step by Step Solution
- Step 1: Write the proportion equation
5,154,666,201.63 : 7,728,834,956.73 = 2,003,201,085.18 : x - Step 2: Convert to fraction form
5,154,666,201.63/7,728,834,956.73 = 2,003,201,085.18/x - Step 3: Cross multiply
5,154,666,201.63x = 7,728,834,956.73 × 2,003,201,085.18 - Step 4: Simplify right side
5,154,666,201.63x = 15,482,410,572,498,653,184 - Step 5: Solve for x
x = 15,482,410,572,498,653,184/5,154,666,201.63 - Step 6: Final answer
x = 3,003,571,902.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.