Finding the Fourth Proportional to 5,211,575,998.60, 7,817,363,997.90 and 4,395,282,622.60
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Solution
The fourth proportional to 5,211,575,998.60, 7,817,363,997.90 and 4,395,282,622.60 is: 6,592,923,933.90
Step by Step Solution
- Step 1: Write the proportion equation
5,211,575,998.60 : 7,817,363,997.90 = 4,395,282,622.60 : x - Step 2: Convert to fraction form
5,211,575,998.60/7,817,363,997.90 = 4,395,282,622.60/x - Step 3: Cross multiply
5,211,575,998.60x = 7,817,363,997.90 × 4,395,282,622.60 - Step 4: Simplify right side
5,211,575,998.60x = 34,359,524,134,508,732,416 - Step 5: Solve for x
x = 34,359,524,134,508,732,416/5,211,575,998.60 - Step 6: Final answer
x = 6,592,923,933.90
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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.