Finding the Fourth Proportional to 2,189,089,663.38, 3,288,872,955.69 and 1,403,682,107.40
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Solution
The fourth proportional to 2,189,089,663.38, 3,288,872,955.69 and 1,403,682,107.40 is: 2,108,882,152.54
Step by Step Solution
- Step 1: Write the proportion equation
2,189,089,663.38 : 3,288,872,955.69 = 1,403,682,107.40 : x - Step 2: Convert to fraction form
2,189,089,663.38/3,288,872,955.69 = 1,403,682,107.40/x - Step 3: Cross multiply
2,189,089,663.38x = 3,288,872,955.69 × 1,403,682,107.40 - Step 4: Simplify right side
2,189,089,663.38x = 4,616,532,121,413,806,080 - Step 5: Solve for x
x = 4,616,532,121,413,806,080/2,189,089,663.38 - Step 6: Final answer
x = 2,108,882,152.54
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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.