Finding the Fourth Proportional to 2,524,065,489.76, 3,786,175,365.98 and 865,949,515.87
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Solution
The fourth proportional to 2,524,065,489.76, 3,786,175,365.98 and 865,949,515.87 is: 1,298,950,735.81
Step by Step Solution
- Step 1: Write the proportion equation
2,524,065,489.76 : 3,786,175,365.98 = 865,949,515.87 : x - Step 2: Convert to fraction form
2,524,065,489.76/3,786,175,365.98 = 865,949,515.87/x - Step 3: Cross multiply
2,524,065,489.76x = 3,786,175,365.98 × 865,949,515.87 - Step 4: Simplify right side
2,524,065,489.76x = 3,278,636,725,152,535,040 - Step 5: Solve for x
x = 3,278,636,725,152,535,040/2,524,065,489.76 - Step 6: Final answer
x = 1,298,950,735.81
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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.