Finding the Fourth Proportional to 8,738,281,379.07, 13,103,346,993.12 and 4,540,105,572.12
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Solution
The fourth proportional to 8,738,281,379.07, 13,103,346,993.12 and 4,540,105,572.12 is: 6,808,041,091.40
Step by Step Solution
- Step 1: Write the proportion equation
8,738,281,379.07 : 13,103,346,993.12 = 4,540,105,572.12 : x - Step 2: Convert to fraction form
8,738,281,379.07/13,103,346,993.12 = 4,540,105,572.12/x - Step 3: Cross multiply
8,738,281,379.07x = 13,103,346,993.12 × 4,540,105,572.12 - Step 4: Simplify right side
8,738,281,379.07x = 59,490,578,696,885,960,704 - Step 5: Solve for x
x = 59,490,578,696,885,960,704/8,738,281,379.07 - Step 6: Final answer
x = 6,808,041,091.40
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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.