Finding the Fourth Proportional to 7,207,720,404.24, 9,950,103,259.56 and 4,800,409,041.12
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Solution
The fourth proportional to 7,207,720,404.24, 9,950,103,259.56 and 4,800,409,041.12 is: 6,626,861,610.67
Step by Step Solution
- Step 1: Write the proportion equation
7,207,720,404.24 : 9,950,103,259.56 = 4,800,409,041.12 : x - Step 2: Convert to fraction form
7,207,720,404.24/9,950,103,259.56 = 4,800,409,041.12/x - Step 3: Cross multiply
7,207,720,404.24x = 9,950,103,259.56 × 4,800,409,041.12 - Step 4: Simplify right side
7,207,720,404.24x = 47,764,565,647,269,404,672 - Step 5: Solve for x
x = 47,764,565,647,269,404,672/7,207,720,404.24 - Step 6: Final answer
x = 6,626,861,610.67
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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.