Finding the Fourth Proportional to 7,243,344,212.10, 10,865,016,318.15 and 2,590,471,968.90
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Solution
The fourth proportional to 7,243,344,212.10, 10,865,016,318.15 and 2,590,471,968.90 is: 3,885,707,953.35
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,212.10 : 10,865,016,318.15 = 2,590,471,968.90 : x - Step 2: Convert to fraction form
7,243,344,212.10/10,865,016,318.15 = 2,590,471,968.90/x - Step 3: Cross multiply
7,243,344,212.10x = 10,865,016,318.15 × 2,590,471,968.90 - Step 4: Simplify right side
7,243,344,212.10x = 28,145,520,213,808,660,480 - Step 5: Solve for x
x = 28,145,520,213,808,660,480/7,243,344,212.10 - Step 6: Final answer
x = 3,885,707,953.35
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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.