Finding the Fourth Proportional to 1,175,999,502.08, 1,764,265,007.28 and 389,051,309.36
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Solution
The fourth proportional to 1,175,999,502.08, 1,764,265,007.28 and 389,051,309.36 is: 583,664,882.45
Step by Step Solution
- Step 1: Write the proportion equation
1,175,999,502.08 : 1,764,265,007.28 = 389,051,309.36 : x - Step 2: Convert to fraction form
1,175,999,502.08/1,764,265,007.28 = 389,051,309.36/x - Step 3: Cross multiply
1,175,999,502.08x = 1,764,265,007.28 × 389,051,309.36 - Step 4: Simplify right side
1,175,999,502.08x = 686,389,611,140,313,984 - Step 5: Solve for x
x = 686,389,611,140,313,984/1,175,999,502.08 - Step 6: Final answer
x = 583,664,882.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.