Finding the Fourth Proportional to 4,763,203,478.28, 6,573,226,249.53 and 2,648,614,021.56
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Solution
The fourth proportional to 4,763,203,478.28, 6,573,226,249.53 and 2,648,614,021.56 is: 3,655,090,379.99
Step by Step Solution
- Step 1: Write the proportion equation
4,763,203,478.28 : 6,573,226,249.53 = 2,648,614,021.56 : x - Step 2: Convert to fraction form
4,763,203,478.28/6,573,226,249.53 = 2,648,614,021.56/x - Step 3: Cross multiply
4,763,203,478.28x = 6,573,226,249.53 × 2,648,614,021.56 - Step 4: Simplify right side
4,763,203,478.28x = 17,409,939,211,391,408,128 - Step 5: Solve for x
x = 17,409,939,211,391,408,128/4,763,203,478.28 - Step 6: Final answer
x = 3,655,090,379.99
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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.