Finding the Fourth Proportional to 4,934,331,711.70, 7,401,497,567.55 and 4,716,653,478.10
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Solution
The fourth proportional to 4,934,331,711.70, 7,401,497,567.55 and 4,716,653,478.10 is: 7,074,980,217.15
Step by Step Solution
- Step 1: Write the proportion equation
4,934,331,711.70 : 7,401,497,567.55 = 4,716,653,478.10 : x - Step 2: Convert to fraction form
4,934,331,711.70/7,401,497,567.55 = 4,716,653,478.10/x - Step 3: Cross multiply
4,934,331,711.70x = 7,401,497,567.55 × 4,716,653,478.10 - Step 4: Simplify right side
4,934,331,711.70x = 34,910,299,245,133,402,112 - Step 5: Solve for x
x = 34,910,299,245,133,402,112/4,934,331,711.70 - Step 6: Final answer
x = 7,074,980,217.15
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Double scale
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Similar ratio
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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.