Finding the Fourth Proportional to 7,306,205,966.22, 10,959,278,052.69 and 2,646,987,539.34
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Solution
The fourth proportional to 7,306,205,966.22, 10,959,278,052.69 and 2,646,987,539.34 is: 3,970,470,115.37
Step by Step Solution
- Step 1: Write the proportion equation
7,306,205,966.22 : 10,959,278,052.69 = 2,646,987,539.34 : x - Step 2: Convert to fraction form
7,306,205,966.22/10,959,278,052.69 = 2,646,987,539.34/x - Step 3: Cross multiply
7,306,205,966.22x = 10,959,278,052.69 × 2,646,987,539.34 - Step 4: Simplify right side
7,306,205,966.22x = 29,009,072,445,632,774,144 - Step 5: Solve for x
x = 29,009,072,445,632,774,144/7,306,205,966.22 - Step 6: Final answer
x = 3,970,470,115.37
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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.