Finding the Fourth Proportional to 958,307,231.07, 1,322,464,861.28 and 518,274,083.07
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Solution
The fourth proportional to 958,307,231.07, 1,322,464,861.28 and 518,274,083.07 is: 715,218,711.86
Step by Step Solution
- Step 1: Write the proportion equation
958,307,231.07 : 1,322,464,861.28 = 518,274,083.07 : x - Step 2: Convert to fraction form
958,307,231.07/1,322,464,861.28 = 518,274,083.07/x - Step 3: Cross multiply
958,307,231.07x = 1,322,464,861.28 × 518,274,083.07 - Step 4: Simplify right side
958,307,231.07x = 685,399,263,373,482,496 - Step 5: Solve for x
x = 685,399,263,373,482,496/958,307,231.07 - Step 6: Final answer
x = 715,218,711.86
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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.