Finding the Fourth Proportional to 1,040,745,798.36, 1,436,231,272.68 and 570,850,983
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Solution
The fourth proportional to 1,040,745,798.36, 1,436,231,272.68 and 570,850,983 is: 787,775,492.46
Step by Step Solution
- Step 1: Write the proportion equation
1,040,745,798.36 : 1,436,231,272.68 = 570,850,983 : x - Step 2: Convert to fraction form
1,040,745,798.36/1,436,231,272.68 = 570,850,983/x - Step 3: Cross multiply
1,040,745,798.36x = 1,436,231,272.68 × 570,850,983 - Step 4: Simplify right side
1,040,745,798.36x = 819,874,033,824,719,104 - Step 5: Solve for x
x = 819,874,033,824,719,104/1,040,745,798.36 - Step 6: Final answer
x = 787,775,492.46
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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.