Finding the Fourth Proportional to 1,026,448,328.40, 1,536,649,183.80 and 966,653,998.80
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Solution
The fourth proportional to 1,026,448,328.40, 1,536,649,183.80 and 966,653,998.80 is: 1,447,133,808.08
Step by Step Solution
- Step 1: Write the proportion equation
1,026,448,328.40 : 1,536,649,183.80 = 966,653,998.80 : x - Step 2: Convert to fraction form
1,026,448,328.40/1,536,649,183.80 = 966,653,998.80/x - Step 3: Cross multiply
1,026,448,328.40x = 1,536,649,183.80 × 966,653,998.80 - Step 4: Simplify right side
1,026,448,328.40x = 1,485,408,078,273,026,048 - Step 5: Solve for x
x = 1,485,408,078,273,026,048/1,026,448,328.40 - Step 6: Final answer
x = 1,447,133,808.08
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1.5x scale
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.