Finding the Fourth Proportional to 1,005,534,720.04, 1,508,519,176.87 and 306,081,551.16
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Solution
The fourth proportional to 1,005,534,720.04, 1,508,519,176.87 and 306,081,551.16 is: 459,188,410.31
Step by Step Solution
- Step 1: Write the proportion equation
1,005,534,720.04 : 1,508,519,176.87 = 306,081,551.16 : x - Step 2: Convert to fraction form
1,005,534,720.04/1,508,519,176.87 = 306,081,551.16/x - Step 3: Cross multiply
1,005,534,720.04x = 1,508,519,176.87 × 306,081,551.16 - Step 4: Simplify right side
1,005,534,720.04x = 461,729,889,610,976,000 - Step 5: Solve for x
x = 461,729,889,610,976,000/1,005,534,720.04 - Step 6: Final answer
x = 459,188,410.31
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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.