Finding the Fourth Proportional to 1,024,172,117.28, 1,536,128,592.57 and 324,670,995.66
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Solution
The fourth proportional to 1,024,172,117.28, 1,536,128,592.57 and 324,670,995.66 is: 486,965,414.50
Step by Step Solution
- Step 1: Write the proportion equation
1,024,172,117.28 : 1,536,128,592.57 = 324,670,995.66 : x - Step 2: Convert to fraction form
1,024,172,117.28/1,536,128,592.57 = 324,670,995.66/x - Step 3: Cross multiply
1,024,172,117.28x = 1,536,128,592.57 × 324,670,995.66 - Step 4: Simplify right side
1,024,172,117.28x = 498,736,399,611,496,384 - Step 5: Solve for x
x = 498,736,399,611,496,384/1,024,172,117.28 - Step 6: Final answer
x = 486,965,414.50
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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.