Finding the Fourth Proportional to 5,345,690,523.85, 8,018,842,215.21 and 1,415,294,550.10
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Solution
The fourth proportional to 5,345,690,523.85, 8,018,842,215.21 and 1,415,294,550.10 is: 2,123,022,953.66
Step by Step Solution
- Step 1: Write the proportion equation
5,345,690,523.85 : 8,018,842,215.21 = 1,415,294,550.10 : x - Step 2: Convert to fraction form
5,345,690,523.85/8,018,842,215.21 = 1,415,294,550.10/x - Step 3: Cross multiply
5,345,690,523.85x = 8,018,842,215.21 × 1,415,294,550.10 - Step 4: Simplify right side
5,345,690,523.85x = 11,349,023,685,298,524,160 - Step 5: Solve for x
x = 11,349,023,685,298,524,160/5,345,690,523.85 - Step 6: Final answer
x = 2,123,022,953.66
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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.