Finding the Fourth Proportional to 1,577,354,542.82, 2,165,350,709.08 and 1,353,948,371.67
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Solution
The fourth proportional to 1,577,354,542.82, 2,165,350,709.08 and 1,353,948,371.67 is: 1,858,664,610.32
Step by Step Solution
- Step 1: Write the proportion equation
1,577,354,542.82 : 2,165,350,709.08 = 1,353,948,371.67 : x - Step 2: Convert to fraction form
1,577,354,542.82/2,165,350,709.08 = 1,353,948,371.67/x - Step 3: Cross multiply
1,577,354,542.82x = 2,165,350,709.08 × 1,353,948,371.67 - Step 4: Simplify right side
1,577,354,542.82x = 2,931,773,066,662,982,656 - Step 5: Solve for x
x = 2,931,773,066,662,982,656/1,577,354,542.82 - Step 6: Final answer
x = 1,858,664,610.32
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.