Finding the Fourth Proportional to 4,934,331,691.20, 7,401,497,536.80 and 4,716,653,457.60
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Solution
The fourth proportional to 4,934,331,691.20, 7,401,497,536.80 and 4,716,653,457.60 is: 7,074,980,186.40
Step by Step Solution
- Step 1: Write the proportion equation
4,934,331,691.20 : 7,401,497,536.80 = 4,716,653,457.60 : x - Step 2: Convert to fraction form
4,934,331,691.20/7,401,497,536.80 = 4,716,653,457.60/x - Step 3: Cross multiply
4,934,331,691.20x = 7,401,497,536.80 × 4,716,653,457.60 - Step 4: Simplify right side
4,934,331,691.20x = 34,910,298,948,365,606,912 - Step 5: Solve for x
x = 34,910,298,948,365,606,912/4,934,331,691.20 - Step 6: Final answer
x = 7,074,980,186.40
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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.