Finding the Fourth Proportional to 498,510,969.36, 687,971,475 and 300,334,849.08
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Solution
The fourth proportional to 498,510,969.36, 687,971,475 and 300,334,849.08 is: 414,477,958.99
Step by Step Solution
- Step 1: Write the proportion equation
498,510,969.36 : 687,971,475 = 300,334,849.08 : x - Step 2: Convert to fraction form
498,510,969.36/687,971,475 = 300,334,849.08/x - Step 3: Cross multiply
498,510,969.36x = 687,971,475 × 300,334,849.08 - Step 4: Simplify right side
498,510,969.36x = 206,621,809,115,469,984 - Step 5: Solve for x
x = 206,621,809,115,469,984/498,510,969.36 - Step 6: Final answer
x = 414,477,958.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.