Finding the Fourth Proportional to 556,937,801.44, 768,580,283.60 and 306,042,258.20
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Solution
The fourth proportional to 556,937,801.44, 768,580,283.60 and 306,042,258.20 is: 422,341,678.00
Step by Step Solution
- Step 1: Write the proportion equation
556,937,801.44 : 768,580,283.60 = 306,042,258.20 : x - Step 2: Convert to fraction form
556,937,801.44/768,580,283.60 = 306,042,258.20/x - Step 3: Cross multiply
556,937,801.44x = 768,580,283.60 × 306,042,258.20 - Step 4: Simplify right side
556,937,801.44x = 235,218,045,600,940,416 - Step 5: Solve for x
x = 235,218,045,600,940,416/556,937,801.44 - Step 6: Final answer
x = 422,341,678.00
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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.