Finding the Fourth Proportional to 1,175,999,394.30, 1,764,264,845.34 and 389,051,201.31
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Solution
The fourth proportional to 1,175,999,394.30, 1,764,264,845.34 and 389,051,201.31 is: 583,664,720.27
Step by Step Solution
- Step 1: Write the proportion equation
1,175,999,394.30 : 1,764,264,845.34 = 389,051,201.31 : x - Step 2: Convert to fraction form
1,175,999,394.30/1,764,264,845.34 = 389,051,201.31/x - Step 3: Cross multiply
1,175,999,394.30x = 1,764,264,845.34 × 389,051,201.31 - Step 4: Simplify right side
1,175,999,394.30x = 686,389,357,508,528,384 - Step 5: Solve for x
x = 686,389,357,508,528,384/1,175,999,394.30 - Step 6: Final answer
x = 583,664,720.27
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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.