Finding the Fourth Proportional to 402,884,804.80, 604,327,207.20 and 372,273,803.20
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Solution
The fourth proportional to 402,884,804.80, 604,327,207.20 and 372,273,803.20 is: 558,410,704.80
Step by Step Solution
- Step 1: Write the proportion equation
402,884,804.80 : 604,327,207.20 = 372,273,803.20 : x - Step 2: Convert to fraction form
402,884,804.80/604,327,207.20 = 372,273,803.20/x - Step 3: Cross multiply
402,884,804.80x = 604,327,207.20 × 372,273,803.20 - Step 4: Simplify right side
402,884,804.80x = 224,975,187,801,578,432 - Step 5: Solve for x
x = 224,975,187,801,578,432/402,884,804.80 - Step 6: Final answer
x = 558,410,704.80
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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.