Finding the Fourth Proportional to 1,100,962,489.12, 1,649,264,483.08 and 962,943,939.92
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Solution
The fourth proportional to 1,100,962,489.12, 1,649,264,483.08 and 962,943,939.92 is: 1,442,509,853.88
Step by Step Solution
- Step 1: Write the proportion equation
1,100,962,489.12 : 1,649,264,483.08 = 962,943,939.92 : x - Step 2: Convert to fraction form
1,100,962,489.12/1,649,264,483.08 = 962,943,939.92/x - Step 3: Cross multiply
1,100,962,489.12x = 1,649,264,483.08 × 962,943,939.92 - Step 4: Simplify right side
1,100,962,489.12x = 1,588,149,239,307,177,216 - Step 5: Solve for x
x = 1,588,149,239,307,177,216/1,100,962,489.12 - Step 6: Final answer
x = 1,442,509,853.88
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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.