Finding the Fourth Proportional to 556,937,800.94, 768,580,282.92 and 306,042,257.70
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Solution
The fourth proportional to 556,937,800.94, 768,580,282.92 and 306,042,257.70 is: 422,341,677.32
Step by Step Solution
- Step 1: Write the proportion equation
556,937,800.94 : 768,580,282.92 = 306,042,257.70 : x - Step 2: Convert to fraction form
556,937,800.94/768,580,282.92 = 306,042,257.70/x - Step 3: Cross multiply
556,937,800.94x = 768,580,282.92 × 306,042,257.70 - Step 4: Simplify right side
556,937,800.94x = 235,218,045,008,541,536 - Step 5: Solve for x
x = 235,218,045,008,541,536/556,937,800.94 - Step 6: Final answer
x = 422,341,677.32
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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.