Finding the Fourth Proportional to 2,201,739,021.90, 3,038,400,346.19 and 1,211,664,438.90
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Solution
The fourth proportional to 2,201,739,021.90, 3,038,400,346.19 and 1,211,664,438.90 is: 1,672,097,198.62
Step by Step Solution
- Step 1: Write the proportion equation
2,201,739,021.90 : 3,038,400,346.19 = 1,211,664,438.90 : x - Step 2: Convert to fraction form
2,201,739,021.90/3,038,400,346.19 = 1,211,664,438.90/x - Step 3: Cross multiply
2,201,739,021.90x = 3,038,400,346.19 × 1,211,664,438.90 - Step 4: Simplify right side
2,201,739,021.90x = 3,681,521,650,613,813,760 - Step 5: Solve for x
x = 3,681,521,650,613,813,760/2,201,739,021.90 - Step 6: Final answer
x = 1,672,097,198.62
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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.