Finding the Fourth Proportional to 701,859,621.36, 968,581,054.92 and 384,333,202.80
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Solution
The fourth proportional to 701,859,621.36, 968,581,054.92 and 384,333,202.80 is: 530,387,911.88
Step by Step Solution
- Step 1: Write the proportion equation
701,859,621.36 : 968,581,054.92 = 384,333,202.80 : x - Step 2: Convert to fraction form
701,859,621.36/968,581,054.92 = 384,333,202.80/x - Step 3: Cross multiply
701,859,621.36x = 968,581,054.92 × 384,333,202.80 - Step 4: Simplify right side
701,859,621.36x = 372,257,859,008,806,272 - Step 5: Solve for x
x = 372,257,859,008,806,272/701,859,621.36 - Step 6: Final answer
x = 530,387,911.88
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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.