Finding the Fourth Proportional to 5,345,690,525.67, 8,018,842,217.97 and 1,415,294,551.91
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Solution
The fourth proportional to 5,345,690,525.67, 8,018,842,217.97 and 1,415,294,551.91 is: 2,123,022,956.38
Step by Step Solution
- Step 1: Write the proportion equation
5,345,690,525.67 : 8,018,842,217.97 = 1,415,294,551.91 : x - Step 2: Convert to fraction form
5,345,690,525.67/8,018,842,217.97 = 1,415,294,551.91/x - Step 3: Cross multiply
5,345,690,525.67x = 8,018,842,217.97 × 1,415,294,551.91 - Step 4: Simplify right side
5,345,690,525.67x = 11,349,023,703,711,766,528 - Step 5: Solve for x
x = 11,349,023,703,711,766,528/5,345,690,525.67 - Step 6: Final answer
x = 2,123,022,956.38
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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.