Finding the Fourth Proportional to 119,739,173,525.82, 165,228,756,259.56 and 71,557,624,450.62
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Solution
The fourth proportional to 119,739,173,525.82, 165,228,756,259.56 and 71,557,624,450.62 is: 98,742,766,804.84
Step by Step Solution
- Step 1: Write the proportion equation
119,739,173,525.82 : 165,228,756,259.56 = 71,557,624,450.62 : x - Step 2: Convert to fraction form
119,739,173,525.82/165,228,756,259.56 = 71,557,624,450.62/x - Step 3: Cross multiply
119,739,173,525.82x = 165,228,756,259.56 × 71,557,624,450.62 - Step 4: Simplify right side
119,739,173,525.82x = 11,823,377,288,864,622,182,400 - Step 5: Solve for x
x = 11,823,377,288,864,622,182,400/119,739,173,525.82 - Step 6: Final answer
x = 98,742,766,804.84
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1.5x scale
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.