Finding the Fourth Proportional to 3,845,465,876.40, 5,768,135,780.40 and 1,225,234,386.96
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Solution
The fourth proportional to 3,845,465,876.40, 5,768,135,780.40 and 1,225,234,386.96 is: 1,837,831,496.61
Step by Step Solution
- Step 1: Write the proportion equation
3,845,465,876.40 : 5,768,135,780.40 = 1,225,234,386.96 : x - Step 2: Convert to fraction form
3,845,465,876.40/5,768,135,780.40 = 1,225,234,386.96/x - Step 3: Cross multiply
3,845,465,876.40x = 5,768,135,780.40 × 1,225,234,386.96 - Step 4: Simplify right side
3,845,465,876.40x = 7,067,318,306,800,435,200 - Step 5: Solve for x
x = 7,067,318,306,800,435,200/3,845,465,876.40 - Step 6: Final answer
x = 1,837,831,496.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.