Finding the Fourth Proportional to 4,997,287,331.70, 6,892,235,405.02 and 4,393,166,256.42
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Solution
The fourth proportional to 4,997,287,331.70, 6,892,235,405.02 and 4,393,166,256.42 is: 6,059,034,432.65
Step by Step Solution
- Step 1: Write the proportion equation
4,997,287,331.70 : 6,892,235,405.02 = 4,393,166,256.42 : x - Step 2: Convert to fraction form
4,997,287,331.70/6,892,235,405.02 = 4,393,166,256.42/x - Step 3: Cross multiply
4,997,287,331.70x = 6,892,235,405.02 × 4,393,166,256.42 - Step 4: Simplify right side
4,997,287,331.70x = 30,278,736,012,637,097,984 - Step 5: Solve for x
x = 30,278,736,012,637,097,984/4,997,287,331.70 - Step 6: Final answer
x = 6,059,034,432.65
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1.5x scale
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.