Finding the Fourth Proportional to 603,268,416.18, 832,580,163.40 and 352,435,509.18
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Solution
The fourth proportional to 603,268,416.18, 832,580,163.40 and 352,435,509.18 is: 486,401,750.78
Step by Step Solution
- Step 1: Write the proportion equation
603,268,416.18 : 832,580,163.40 = 352,435,509.18 : x - Step 2: Convert to fraction form
603,268,416.18/832,580,163.40 = 352,435,509.18/x - Step 3: Cross multiply
603,268,416.18x = 832,580,163.40 × 352,435,509.18 - Step 4: Simplify right side
603,268,416.18x = 293,430,813,821,046,592 - Step 5: Solve for x
x = 293,430,813,821,046,592/603,268,416.18 - Step 6: Final answer
x = 486,401,750.78
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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.