Finding the Fourth Proportional to 1,711,770,576.21, 2,565,863,788.35 and 716,361,920.12
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Solution
The fourth proportional to 1,711,770,576.21, 2,565,863,788.35 and 716,361,920.12 is: 1,073,792,911.12
Step by Step Solution
- Step 1: Write the proportion equation
1,711,770,576.21 : 2,565,863,788.35 = 716,361,920.12 : x - Step 2: Convert to fraction form
1,711,770,576.21/2,565,863,788.35 = 716,361,920.12/x - Step 3: Cross multiply
1,711,770,576.21x = 2,565,863,788.35 × 716,361,920.12 - Step 4: Simplify right side
1,711,770,576.21x = 1,838,087,110,197,919,744 - Step 5: Solve for x
x = 1,838,087,110,197,919,744/1,711,770,576.21 - Step 6: Final answer
x = 1,073,792,911.12
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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.