Finding the Fourth Proportional to 2,106,259,609.28, 2,905,238,697.60 and 1,354,523,207.36
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Solution
The fourth proportional to 2,106,259,609.28, 2,905,238,697.60 and 1,354,523,207.36 is: 1,868,341,975.26
Step by Step Solution
- Step 1: Write the proportion equation
2,106,259,609.28 : 2,905,238,697.60 = 1,354,523,207.36 : x - Step 2: Convert to fraction form
2,106,259,609.28/2,905,238,697.60 = 1,354,523,207.36/x - Step 3: Cross multiply
2,106,259,609.28x = 2,905,238,697.60 × 1,354,523,207.36 - Step 4: Simplify right side
2,106,259,609.28x = 3,935,213,238,819,540,480 - Step 5: Solve for x
x = 3,935,213,238,819,540,480/2,106,259,609.28 - Step 6: Final answer
x = 1,868,341,975.26
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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.