Finding the Fourth Proportional to 1,905,395,748.75, 2,857,776,617.37 and 577,107,982.02
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Solution
The fourth proportional to 1,905,395,748.75, 2,857,776,617.37 and 577,107,982.02 is: 865,565,958.04
Step by Step Solution
- Step 1: Write the proportion equation
1,905,395,748.75 : 2,857,776,617.37 = 577,107,982.02 : x - Step 2: Convert to fraction form
1,905,395,748.75/2,857,776,617.37 = 577,107,982.02/x - Step 3: Cross multiply
1,905,395,748.75x = 2,857,776,617.37 × 577,107,982.02 - Step 4: Simplify right side
1,905,395,748.75x = 1,649,245,696,714,342,144 - Step 5: Solve for x
x = 1,649,245,696,714,342,144/1,905,395,748.75 - Step 6: Final answer
x = 865,565,958.04
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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.