Finding the Fourth Proportional to 1,345,660,959,161.60, 1,857,012,214,244.20 and 736,672,271,132.60
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Solution
The fourth proportional to 1,345,660,959,161.60, 1,857,012,214,244.20 and 736,672,271,132.60 is: 1,016,607,783,761.95
Step by Step Solution
- Step 1: Write the proportion equation
1,345,660,959,161.60 : 1,857,012,214,244.20 = 736,672,271,132.60 : x - Step 2: Convert to fraction form
1,345,660,959,161.60/1,857,012,214,244.20 = 736,672,271,132.60/x - Step 3: Cross multiply
1,345,660,959,161.60x = 1,857,012,214,244.20 × 736,672,271,132.60 - Step 4: Simplify right side
1,345,660,959,161.60x = 1,368,009,405,388,253,105,750,016 - Step 5: Solve for x
x = 1,368,009,405,388,253,105,750,016/1,345,660,959,161.60 - Step 6: Final answer
x = 1,016,607,783,761.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.