Finding the Fourth Proportional to 2,135,518,881.16, 3,202,110,581.28 and 1,695,686,907.46
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Solution
The fourth proportional to 2,135,518,881.16, 3,202,110,581.28 and 1,695,686,907.46 is: 2,542,603,128.83
Step by Step Solution
- Step 1: Write the proportion equation
2,135,518,881.16 : 3,202,110,581.28 = 1,695,686,907.46 : x - Step 2: Convert to fraction form
2,135,518,881.16/3,202,110,581.28 = 1,695,686,907.46/x - Step 3: Cross multiply
2,135,518,881.16x = 3,202,110,581.28 × 1,695,686,907.46 - Step 4: Simplify right side
2,135,518,881.16x = 5,429,776,988,915,627,008 - Step 5: Solve for x
x = 5,429,776,988,915,627,008/2,135,518,881.16 - Step 6: Final answer
x = 2,542,603,128.83
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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.