Finding the Fourth Proportional to 5,047,377,796.80, 7,564,299,124.14 and 3,928,252,785.84
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Solution
The fourth proportional to 5,047,377,796.80, 7,564,299,124.14 and 3,928,252,785.84 is: 5,887,112,140.92
Step by Step Solution
- Step 1: Write the proportion equation
5,047,377,796.80 : 7,564,299,124.14 = 3,928,252,785.84 : x - Step 2: Convert to fraction form
5,047,377,796.80/7,564,299,124.14 = 3,928,252,785.84/x - Step 3: Cross multiply
5,047,377,796.80x = 7,564,299,124.14 × 3,928,252,785.84 - Step 4: Simplify right side
5,047,377,796.80x = 29,714,479,107,330,027,520 - Step 5: Solve for x
x = 29,714,479,107,330,027,520/5,047,377,796.80 - Step 6: Final answer
x = 5,887,112,140.92
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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.