Finding the Fourth Proportional to 735,102,006.40, 1,102,653,009.60 and 474,908,492.80
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Solution
The fourth proportional to 735,102,006.40, 1,102,653,009.60 and 474,908,492.80 is: 712,362,739.20
Step by Step Solution
- Step 1: Write the proportion equation
735,102,006.40 : 1,102,653,009.60 = 474,908,492.80 : x - Step 2: Convert to fraction form
735,102,006.40/1,102,653,009.60 = 474,908,492.80/x - Step 3: Cross multiply
735,102,006.40x = 1,102,653,009.60 × 474,908,492.80 - Step 4: Simplify right side
735,102,006.40x = 523,659,278,870,519,872 - Step 5: Solve for x
x = 523,659,278,870,519,872/735,102,006.40 - Step 6: Final answer
x = 712,362,739.20
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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.