Finding the Fourth Proportional to 701,859,609.36, 968,581,038.36 and 384,333,190.80
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Solution
The fourth proportional to 701,859,609.36, 968,581,038.36 and 384,333,190.80 is: 530,387,895.32
Step by Step Solution
- Step 1: Write the proportion equation
701,859,609.36 : 968,581,038.36 = 384,333,190.80 : x - Step 2: Convert to fraction form
701,859,609.36/968,581,038.36 = 384,333,190.80/x - Step 3: Cross multiply
701,859,609.36x = 968,581,038.36 × 384,333,190.80 - Step 4: Simplify right side
701,859,609.36x = 372,257,841,021,276,032 - Step 5: Solve for x
x = 372,257,841,021,276,032/701,859,609.36 - Step 6: Final answer
x = 530,387,895.32
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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.