Finding the Fourth Proportional to 2,758,374,014.40, 4,137,550,135.20 and 819,677,246.40
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Solution
The fourth proportional to 2,758,374,014.40, 4,137,550,135.20 and 819,677,246.40 is: 1,229,512,634.60
Step by Step Solution
- Step 1: Write the proportion equation
2,758,374,014.40 : 4,137,550,135.20 = 819,677,246.40 : x - Step 2: Convert to fraction form
2,758,374,014.40/4,137,550,135.20 = 819,677,246.40/x - Step 3: Cross multiply
2,758,374,014.40x = 4,137,550,135.20 × 819,677,246.40 - Step 4: Simplify right side
2,758,374,014.40x = 3,391,455,701,662,683,648 - Step 5: Solve for x
x = 3,391,455,701,662,683,648/2,758,374,014.40 - Step 6: Final answer
x = 1,229,512,634.60
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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.