Finding the Fourth Proportional to 1,731,523,428.27, 2,389,532,948.28 and 938,595,739.95
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Solution
The fourth proportional to 1,731,523,428.27, 2,389,532,948.28 and 938,595,739.95 is: 1,295,278,717.64
Step by Step Solution
- Step 1: Write the proportion equation
1,731,523,428.27 : 2,389,532,948.28 = 938,595,739.95 : x - Step 2: Convert to fraction form
1,731,523,428.27/2,389,532,948.28 = 938,595,739.95/x - Step 3: Cross multiply
1,731,523,428.27x = 2,389,532,948.28 × 938,595,739.95 - Step 4: Simplify right side
1,731,523,428.27x = 2,242,805,445,725,772,032 - Step 5: Solve for x
x = 2,242,805,445,725,772,032/1,731,523,428.27 - Step 6: Final answer
x = 1,295,278,717.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.