Finding the Fourth Proportional to 1,609,744,803.20, 2,414,617,204.80 and 1,287,258,531.20
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Solution
The fourth proportional to 1,609,744,803.20, 2,414,617,204.80 and 1,287,258,531.20 is: 1,930,887,796.80
Step by Step Solution
- Step 1: Write the proportion equation
1,609,744,803.20 : 2,414,617,204.80 = 1,287,258,531.20 : x - Step 2: Convert to fraction form
1,609,744,803.20/2,414,617,204.80 = 1,287,258,531.20/x - Step 3: Cross multiply
1,609,744,803.20x = 2,414,617,204.80 × 1,287,258,531.20 - Step 4: Simplify right side
1,609,744,803.20x = 3,108,236,596,461,097,984 - Step 5: Solve for x
x = 3,108,236,596,461,097,984/1,609,744,803.20 - Step 6: Final answer
x = 1,930,887,796.80
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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.