Finding the Fourth Proportional to 653,497,669.70, 917,192,562.70 and 653,497,669.70
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Solution
The fourth proportional to 653,497,669.70, 917,192,562.70 and 653,497,669.70 is: 917,192,562.70
Step by Step Solution
- Step 1: Write the proportion equation
653,497,669.70 : 917,192,562.70 = 653,497,669.70 : x - Step 2: Convert to fraction form
653,497,669.70/917,192,562.70 = 653,497,669.70/x - Step 3: Cross multiply
653,497,669.70x = 917,192,562.70 × 653,497,669.70 - Step 4: Simplify right side
653,497,669.70x = 599,383,202,390,621,184 - Step 5: Solve for x
x = 599,383,202,390,621,184/653,497,669.70 - Step 6: Final answer
x = 917,192,562.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.