Finding the Fourth Proportional to 419,861,533.93, 579,524,160.57 and 243,706,281.02
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Solution
The fourth proportional to 419,861,533.93, 579,524,160.57 and 243,706,281.02 is: 336,381,560.39
Step by Step Solution
- Step 1: Write the proportion equation
419,861,533.93 : 579,524,160.57 = 243,706,281.02 : x - Step 2: Convert to fraction form
419,861,533.93/579,524,160.57 = 243,706,281.02/x - Step 3: Cross multiply
419,861,533.93x = 579,524,160.57 × 243,706,281.02 - Step 4: Simplify right side
419,861,533.93x = 141,233,677,932,105,472 - Step 5: Solve for x
x = 141,233,677,932,105,472/419,861,533.93 - Step 6: Final answer
x = 336,381,560.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.