Finding the Fourth Proportional to 6,398,749,745.20, 9,598,124,617.80 and 3,299,385,833.20
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Solution
The fourth proportional to 6,398,749,745.20, 9,598,124,617.80 and 3,299,385,833.20 is: 4,949,078,749.80
Step by Step Solution
- Step 1: Write the proportion equation
6,398,749,745.20 : 9,598,124,617.80 = 3,299,385,833.20 : x - Step 2: Convert to fraction form
6,398,749,745.20/9,598,124,617.80 = 3,299,385,833.20/x - Step 3: Cross multiply
6,398,749,745.20x = 9,598,124,617.80 × 3,299,385,833.20 - Step 4: Simplify right side
6,398,749,745.20x = 31,667,916,389,257,482,240 - Step 5: Solve for x
x = 31,667,916,389,257,482,240/6,398,749,745.20 - Step 6: Final answer
x = 4,949,078,749.80
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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.