Finding the Fourth Proportional to 654,917,903.44, 980,810,756.67 and 377,728,756.99
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Solution
The fourth proportional to 654,917,903.44, 980,810,756.67 and 377,728,756.99 is: 565,689,876.57
Step by Step Solution
- Step 1: Write the proportion equation
654,917,903.44 : 980,810,756.67 = 377,728,756.99 : x - Step 2: Convert to fraction form
654,917,903.44/980,810,756.67 = 377,728,756.99/x - Step 3: Cross multiply
654,917,903.44x = 980,810,756.67 × 377,728,756.99 - Step 4: Simplify right side
654,917,903.44x = 370,480,427,959,380,416 - Step 5: Solve for x
x = 370,480,427,959,380,416/654,917,903.44 - Step 6: Final answer
x = 565,689,876.57
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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.