Finding the Fourth Proportional to 8,736,771,089.80, 13,105,156,634.70 and 5,471,597,585.80
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Solution
The fourth proportional to 8,736,771,089.80, 13,105,156,634.70 and 5,471,597,585.80 is: 8,207,396,378.70
Step by Step Solution
- Step 1: Write the proportion equation
8,736,771,089.80 : 13,105,156,634.70 = 5,471,597,585.80 : x - Step 2: Convert to fraction form
8,736,771,089.80/13,105,156,634.70 = 5,471,597,585.80/x - Step 3: Cross multiply
8,736,771,089.80x = 13,105,156,634.70 × 5,471,597,585.80 - Step 4: Simplify right side
8,736,771,089.80x = 71,706,143,403,955,380,224 - Step 5: Solve for x
x = 71,706,143,403,955,380,224/8,736,771,089.80 - Step 6: Final answer
x = 8,207,396,378.70
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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.