Finding the Fourth Proportional to 1,043,475,664.01, 1,439,987,928.14 and 573,571,988.87
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Solution
The fourth proportional to 1,043,475,664.01, 1,439,987,928.14 and 573,571,988.87 is: 791,524,678.89
Step by Step Solution
- Step 1: Write the proportion equation
1,043,475,664.01 : 1,439,987,928.14 = 573,571,988.87 : x - Step 2: Convert to fraction form
1,043,475,664.01/1,439,987,928.14 = 573,571,988.87/x - Step 3: Cross multiply
1,043,475,664.01x = 1,439,987,928.14 × 573,571,988.87 - Step 4: Simplify right side
1,043,475,664.01x = 825,936,739,886,284,416 - Step 5: Solve for x
x = 825,936,739,886,284,416/1,043,475,664.01 - Step 6: Final answer
x = 791,524,678.89
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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.