Finding the Fourth Proportional to 1,124,118,097.20, 1,686,177,145.80 and 1,104,986,221.20
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Solution
The fourth proportional to 1,124,118,097.20, 1,686,177,145.80 and 1,104,986,221.20 is: 1,657,479,331.80
Step by Step Solution
- Step 1: Write the proportion equation
1,124,118,097.20 : 1,686,177,145.80 = 1,104,986,221.20 : x - Step 2: Convert to fraction form
1,124,118,097.20/1,686,177,145.80 = 1,104,986,221.20/x - Step 3: Cross multiply
1,124,118,097.20x = 1,686,177,145.80 × 1,104,986,221.20 - Step 4: Simplify right side
1,124,118,097.20x = 1,863,202,512,611,343,360 - Step 5: Solve for x
x = 1,863,202,512,611,343,360/1,124,118,097.20 - Step 6: Final answer
x = 1,657,479,331.80
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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.