Finding the Fourth Proportional to 530,830,918.26, 732,860,900.82 and 471,930,896.97
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Solution
The fourth proportional to 530,830,918.26, 732,860,900.82 and 471,930,896.97 is: 651,544,004.66
Step by Step Solution
- Step 1: Write the proportion equation
530,830,918.26 : 732,860,900.82 = 471,930,896.97 : x - Step 2: Convert to fraction form
530,830,918.26/732,860,900.82 = 471,930,896.97/x - Step 3: Cross multiply
530,830,918.26x = 732,860,900.82 × 471,930,896.97 - Step 4: Simplify right side
530,830,918.26x = 345,859,702,278,224,832 - Step 5: Solve for x
x = 345,859,702,278,224,832/530,830,918.26 - Step 6: Final answer
x = 651,544,004.66
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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.