Finding the Fourth Proportional to 7,464,998,518.20, 11,197,497,777.30 and 2,556,040,822.20
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Solution
The fourth proportional to 7,464,998,518.20, 11,197,497,777.30 and 2,556,040,822.20 is: 3,834,061,233.30
Step by Step Solution
- Step 1: Write the proportion equation
7,464,998,518.20 : 11,197,497,777.30 = 2,556,040,822.20 : x - Step 2: Convert to fraction form
7,464,998,518.20/11,197,497,777.30 = 2,556,040,822.20/x - Step 3: Cross multiply
7,464,998,518.20x = 11,197,497,777.30 × 2,556,040,822.20 - Step 4: Simplify right side
7,464,998,518.20x = 28,621,261,425,272,561,664 - Step 5: Solve for x
x = 28,621,261,425,272,561,664/7,464,998,518.20 - Step 6: Final answer
x = 3,834,061,233.30
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Double scale
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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.