Finding the Fourth Proportional to 1,417,177,447.20, 2,125,766,170.80 and 496,934,211.60
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Solution
The fourth proportional to 1,417,177,447.20, 2,125,766,170.80 and 496,934,211.60 is: 745,401,317.40
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,447.20 : 2,125,766,170.80 = 496,934,211.60 : x - Step 2: Convert to fraction form
1,417,177,447.20/2,125,766,170.80 = 496,934,211.60/x - Step 3: Cross multiply
1,417,177,447.20x = 2,125,766,170.80 × 496,934,211.60 - Step 4: Simplify right side
1,417,177,447.20x = 1,056,365,936,132,449,024 - Step 5: Solve for x
x = 1,056,365,936,132,449,024/1,417,177,447.20 - Step 6: Final answer
x = 745,401,317.40
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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.