Finding the Fourth Proportional to 19,659,369,895.62, 29,510,040,101.42 and 8,472,764,701.05
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Solution
The fourth proportional to 19,659,369,895.62, 29,510,040,101.42 and 8,472,764,701.05 is: 12,718,191,245.47
Step by Step Solution
- Step 1: Write the proportion equation
19,659,369,895.62 : 29,510,040,101.42 = 8,472,764,701.05 : x - Step 2: Convert to fraction form
19,659,369,895.62/29,510,040,101.42 = 8,472,764,701.05/x - Step 3: Cross multiply
19,659,369,895.62x = 29,510,040,101.42 × 8,472,764,701.05 - Step 4: Simplify right side
19,659,369,895.62x = 250,031,626,097,881,317,376 - Step 5: Solve for x
x = 250,031,626,097,881,317,376/19,659,369,895.62 - Step 6: Final answer
x = 12,718,191,245.47
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1.5x scale
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.