Finding the Fourth Proportional to 717,563,602.70, 1,007,310,021.70 and 717,563,602.70
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Solution
The fourth proportional to 717,563,602.70, 1,007,310,021.70 and 717,563,602.70 is: 1,007,310,021.70
Step by Step Solution
- Step 1: Write the proportion equation
717,563,602.70 : 1,007,310,021.70 = 717,563,602.70 : x - Step 2: Convert to fraction form
717,563,602.70/1,007,310,021.70 = 717,563,602.70/x - Step 3: Cross multiply
717,563,602.70x = 1,007,310,021.70 × 717,563,602.70 - Step 4: Simplify right side
717,563,602.70x = 722,809,008,206,867,200 - Step 5: Solve for x
x = 722,809,008,206,867,200/717,563,602.70 - Step 6: Final answer
x = 1,007,310,021.70
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Double scale
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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.