Finding the Fourth Proportional to 4,660,465,586.21, 6,432,975,194.33 and 3,709,590,533.81
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Solution
The fourth proportional to 4,660,465,586.21, 6,432,975,194.33 and 3,709,590,533.81 is: 5,120,454,908.14
Step by Step Solution
- Step 1: Write the proportion equation
4,660,465,586.21 : 6,432,975,194.33 = 3,709,590,533.81 : x - Step 2: Convert to fraction form
4,660,465,586.21/6,432,975,194.33 = 3,709,590,533.81/x - Step 3: Cross multiply
4,660,465,586.21x = 6,432,975,194.33 × 3,709,590,533.81 - Step 4: Simplify right side
4,660,465,586.21x = 23,863,703,885,098,590,208 - Step 5: Solve for x
x = 23,863,703,885,098,590,208/4,660,465,586.21 - Step 6: Final answer
x = 5,120,454,908.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.