Finding the Fourth Proportional to 5,345,690,517.72, 8,018,842,206.02 and 1,415,294,543.96
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Solution
The fourth proportional to 5,345,690,517.72, 8,018,842,206.02 and 1,415,294,543.96 is: 2,123,022,944.45
Step by Step Solution
- Step 1: Write the proportion equation
5,345,690,517.72 : 8,018,842,206.02 = 1,415,294,543.96 : x - Step 2: Convert to fraction form
5,345,690,517.72/8,018,842,206.02 = 1,415,294,543.96/x - Step 3: Cross multiply
5,345,690,517.72x = 8,018,842,206.02 × 1,415,294,543.96 - Step 4: Simplify right side
5,345,690,517.72x = 11,349,023,623,056,277,504 - Step 5: Solve for x
x = 11,349,023,623,056,277,504/5,345,690,517.72 - Step 6: Final answer
x = 2,123,022,944.45
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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.