Finding the Fourth Proportional to 1,012,023,912,576.70, 1,396,618,695,625 and 555,282,275,501.26
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Solution
The fourth proportional to 1,012,023,912,576.70, 1,396,618,695,625 and 555,282,275,501.26 is: 766,303,639,347.53
Step by Step Solution
- Step 1: Write the proportion equation
1,012,023,912,576.70 : 1,396,618,695,625 = 555,282,275,501.26 : x - Step 2: Convert to fraction form
1,012,023,912,576.70/1,396,618,695,625 = 555,282,275,501.26/x - Step 3: Cross multiply
1,012,023,912,576.70x = 1,396,618,695,625 × 555,282,275,501.26 - Step 4: Simplify right side
1,012,023,912,576.70x = 775,517,607,314,251,650,695,168 - Step 5: Solve for x
x = 775,517,607,314,251,650,695,168/1,012,023,912,576.70 - Step 6: Final answer
x = 766,303,639,347.53
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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.