Finding the Fourth Proportional to 300,515,118.32, 450,124,800.24 and 202,934,240.12
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Solution
The fourth proportional to 300,515,118.32, 450,124,800.24 and 202,934,240.12 is: 303,963,856.48
Step by Step Solution
- Step 1: Write the proportion equation
300,515,118.32 : 450,124,800.24 = 202,934,240.12 : x - Step 2: Convert to fraction form
300,515,118.32/450,124,800.24 = 202,934,240.12/x - Step 3: Cross multiply
300,515,118.32x = 450,124,800.24 × 202,934,240.12 - Step 4: Simplify right side
300,515,118.32x = 91,345,734,295,871,200 - Step 5: Solve for x
x = 91,345,734,295,871,200/300,515,118.32 - Step 6: Final answer
x = 303,963,856.48
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1.5x scale
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.