Finding the Fourth Proportional to 21,452,842,565.33, 32,149,844,096.40 and 13,578,198,275.99
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Solution
The fourth proportional to 21,452,842,565.33, 32,149,844,096.40 and 13,578,198,275.99 is: 20,348,676,701.18
Step by Step Solution
- Step 1: Write the proportion equation
21,452,842,565.33 : 32,149,844,096.40 = 13,578,198,275.99 : x - Step 2: Convert to fraction form
21,452,842,565.33/32,149,844,096.40 = 13,578,198,275.99/x - Step 3: Cross multiply
21,452,842,565.33x = 32,149,844,096.40 × 13,578,198,275.99 - Step 4: Simplify right side
21,452,842,565.33x = 436,536,957,683,182,206,976 - Step 5: Solve for x
x = 436,536,957,683,182,206,976/21,452,842,565.33 - Step 6: Final answer
x = 20,348,676,701.18
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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.