Finding the Fourth Proportional to 565,863,163.09, 780,891,201.07 and 314,962,153.71
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Solution
The fourth proportional to 565,863,163.09, 780,891,201.07 and 314,962,153.71 is: 434,647,792.16
Step by Step Solution
- Step 1: Write the proportion equation
565,863,163.09 : 780,891,201.07 = 314,962,153.71 : x - Step 2: Convert to fraction form
565,863,163.09/780,891,201.07 = 314,962,153.71/x - Step 3: Cross multiply
565,863,163.09x = 780,891,201.07 × 314,962,153.71 - Step 4: Simplify right side
565,863,163.09x = 245,951,174,503,360,672 - Step 5: Solve for x
x = 245,951,174,503,360,672/565,863,163.09 - Step 6: Final answer
x = 434,647,792.16
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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.