Finding the Fourth Proportional to 1,064,804,937.68, 1,469,178,888.36 and 618,503,150
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Solution
The fourth proportional to 1,064,804,937.68, 1,469,178,888.36 and 618,503,150 is: 853,388,013.34
Step by Step Solution
- Step 1: Write the proportion equation
1,064,804,937.68 : 1,469,178,888.36 = 618,503,150 : x - Step 2: Convert to fraction form
1,064,804,937.68/1,469,178,888.36 = 618,503,150/x - Step 3: Cross multiply
1,064,804,937.68x = 1,469,178,888.36 × 618,503,150 - Step 4: Simplify right side
1,064,804,937.68x = 908,691,770,364,158,208 - Step 5: Solve for x
x = 908,691,770,364,158,208/1,064,804,937.68 - Step 6: Final answer
x = 853,388,013.34
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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.