Finding the Fourth Proportional to 504,038,879.80, 756,058,319.70 and 402,002,207.80
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Solution
The fourth proportional to 504,038,879.80, 756,058,319.70 and 402,002,207.80 is: 603,003,311.70
Step by Step Solution
- Step 1: Write the proportion equation
504,038,879.80 : 756,058,319.70 = 402,002,207.80 : x - Step 2: Convert to fraction form
504,038,879.80/756,058,319.70 = 402,002,207.80/x - Step 3: Cross multiply
504,038,879.80x = 756,058,319.70 × 402,002,207.80 - Step 4: Simplify right side
504,038,879.80x = 303,937,113,744,958,272 - Step 5: Solve for x
x = 303,937,113,744,958,272/504,038,879.80 - Step 6: Final answer
x = 603,003,311.70
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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.