Finding the Fourth Proportional to 956,199,688.05, 1,319,542,156.26 and 532,831,193.46
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Solution
The fourth proportional to 956,199,688.05, 1,319,542,156.26 and 532,831,193.46 is: 735,299,572.60
Step by Step Solution
- Step 1: Write the proportion equation
956,199,688.05 : 1,319,542,156.26 = 532,831,193.46 : x - Step 2: Convert to fraction form
956,199,688.05/1,319,542,156.26 = 532,831,193.46/x - Step 3: Cross multiply
956,199,688.05x = 1,319,542,156.26 × 532,831,193.46 - Step 4: Simplify right side
956,199,688.05x = 703,093,221,940,797,568 - Step 5: Solve for x
x = 703,093,221,940,797,568/956,199,688.05 - Step 6: Final answer
x = 735,299,572.60
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Double scale
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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.