Finding the Fourth Proportional to 913,701,910.60, 1,260,923,974.50 and 496,014,194.53
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Solution
The fourth proportional to 913,701,910.60, 1,260,923,974.50 and 496,014,194.53 is: 684,507,914.80
Step by Step Solution
- Step 1: Write the proportion equation
913,701,910.60 : 1,260,923,974.50 = 496,014,194.53 : x - Step 2: Convert to fraction form
913,701,910.60/1,260,923,974.50 = 496,014,194.53/x - Step 3: Cross multiply
913,701,910.60x = 1,260,923,974.50 × 496,014,194.53 - Step 4: Simplify right side
913,701,910.60x = 625,436,189,575,867,008 - Step 5: Solve for x
x = 625,436,189,575,867,008/913,701,910.60 - Step 6: Final answer
x = 684,507,914.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.