Finding the Fourth Proportional to 654,051,949.96, 980,682,763.81 and 260,639,299.66
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Solution
The fourth proportional to 654,051,949.96, 980,682,763.81 and 260,639,299.66 is: 390,801,478.02
Step by Step Solution
- Step 1: Write the proportion equation
654,051,949.96 : 980,682,763.81 = 260,639,299.66 : x - Step 2: Convert to fraction form
654,051,949.96/980,682,763.81 = 260,639,299.66/x - Step 3: Cross multiply
654,051,949.96x = 980,682,763.81 × 260,639,299.66 - Step 4: Simplify right side
654,051,949.96x = 255,604,468,747,420,000 - Step 5: Solve for x
x = 255,604,468,747,420,000/654,051,949.96 - Step 6: Final answer
x = 390,801,478.02
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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.