Finding the Fourth Proportional to 7,571,375,998.80, 11,357,063,998.20 and 6,281,430,910.80
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Solution
The fourth proportional to 7,571,375,998.80, 11,357,063,998.20 and 6,281,430,910.80 is: 9,422,146,366.20
Step by Step Solution
- Step 1: Write the proportion equation
7,571,375,998.80 : 11,357,063,998.20 = 6,281,430,910.80 : x - Step 2: Convert to fraction form
7,571,375,998.80/11,357,063,998.20 = 6,281,430,910.80/x - Step 3: Cross multiply
7,571,375,998.80x = 11,357,063,998.20 × 6,281,430,910.80 - Step 4: Simplify right side
7,571,375,998.80x = 71,338,612,854,227,320,832 - Step 5: Solve for x
x = 71,338,612,854,227,320,832/7,571,375,998.80 - Step 6: Final answer
x = 9,422,146,366.20
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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.