Finding the Fourth Proportional to 864,017,314.38, 1,192,347,054.18 and 467,540,307.09
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Solution
The fourth proportional to 864,017,314.38, 1,192,347,054.18 and 467,540,307.09 is: 645,207,333.92
Step by Step Solution
- Step 1: Write the proportion equation
864,017,314.38 : 1,192,347,054.18 = 467,540,307.09 : x - Step 2: Convert to fraction form
864,017,314.38/1,192,347,054.18 = 467,540,307.09/x - Step 3: Cross multiply
864,017,314.38x = 1,192,347,054.18 × 467,540,307.09 - Step 4: Simplify right side
864,017,314.38x = 557,470,307,869,174,080 - Step 5: Solve for x
x = 557,470,307,869,174,080/864,017,314.38 - Step 6: Final answer
x = 645,207,333.92
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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.