Finding the Fourth Proportional to 1,458,419,588.36, 2,187,857,227.80 and 475,617,547.16
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Solution
The fourth proportional to 1,458,419,588.36, 2,187,857,227.80 and 475,617,547.16 is: 713,500,625.28
Step by Step Solution
- Step 1: Write the proportion equation
1,458,419,588.36 : 2,187,857,227.80 = 475,617,547.16 : x - Step 2: Convert to fraction form
1,458,419,588.36/2,187,857,227.80 = 475,617,547.16/x - Step 3: Cross multiply
1,458,419,588.36x = 2,187,857,227.80 × 475,617,547.16 - Step 4: Simplify right side
1,458,419,588.36x = 1,040,583,288,222,513,536 - Step 5: Solve for x
x = 1,040,583,288,222,513,536/1,458,419,588.36 - Step 6: Final answer
x = 713,500,625.28
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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.