Finding the Fourth Proportional to 7,905,236,878.08, 11,857,883,034.26 and 2,009,796,749.31
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Solution
The fourth proportional to 7,905,236,878.08, 11,857,883,034.26 and 2,009,796,749.31 is: 3,014,702,170.66
Step by Step Solution
- Step 1: Write the proportion equation
7,905,236,878.08 : 11,857,883,034.26 = 2,009,796,749.31 : x - Step 2: Convert to fraction form
7,905,236,878.08/11,857,883,034.26 = 2,009,796,749.31/x - Step 3: Cross multiply
7,905,236,878.08x = 11,857,883,034.26 × 2,009,796,749.31 - Step 4: Simplify right side
7,905,236,878.08x = 23,831,934,775,953,948,672 - Step 5: Solve for x
x = 23,831,934,775,953,948,672/7,905,236,878.08 - Step 6: Final answer
x = 3,014,702,170.66
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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.