Finding the Fourth Proportional to 7,432,814,276.90, 11,149,221,415.35 and 4,126,826,104.10
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Solution
The fourth proportional to 7,432,814,276.90, 11,149,221,415.35 and 4,126,826,104.10 is: 6,190,239,156.15
Step by Step Solution
- Step 1: Write the proportion equation
7,432,814,276.90 : 11,149,221,415.35 = 4,126,826,104.10 : x - Step 2: Convert to fraction form
7,432,814,276.90/11,149,221,415.35 = 4,126,826,104.10/x - Step 3: Cross multiply
7,432,814,276.90x = 11,149,221,415.35 × 4,126,826,104.10 - Step 4: Simplify right side
7,432,814,276.90x = 46,010,897,977,257,132,032 - Step 5: Solve for x
x = 46,010,897,977,257,132,032/7,432,814,276.90 - Step 6: Final answer
x = 6,190,239,156.15
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Double scale
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Similar ratio
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1.5x scale
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.