Finding the Fourth Proportional to 354,964,938.80, 532,447,408.20 and 240,303,153.20
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Solution
The fourth proportional to 354,964,938.80, 532,447,408.20 and 240,303,153.20 is: 360,454,729.80
Step by Step Solution
- Step 1: Write the proportion equation
354,964,938.80 : 532,447,408.20 = 240,303,153.20 : x - Step 2: Convert to fraction form
354,964,938.80/532,447,408.20 = 240,303,153.20/x - Step 3: Cross multiply
354,964,938.80x = 532,447,408.20 × 240,303,153.20 - Step 4: Simplify right side
354,964,938.80x = 127,948,791,103,627,520 - Step 5: Solve for x
x = 127,948,791,103,627,520/354,964,938.80 - Step 6: Final answer
x = 360,454,729.80
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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.