Finding the Fourth Proportional to 1,739,758,857.60, 2,609,638,286.40 and 965,791,804.80
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Solution
The fourth proportional to 1,739,758,857.60, 2,609,638,286.40 and 965,791,804.80 is: 1,448,687,707.20
Step by Step Solution
- Step 1: Write the proportion equation
1,739,758,857.60 : 2,609,638,286.40 = 965,791,804.80 : x - Step 2: Convert to fraction form
1,739,758,857.60/2,609,638,286.40 = 965,791,804.80/x - Step 3: Cross multiply
1,739,758,857.60x = 2,609,638,286.40 × 965,791,804.80 - Step 4: Simplify right side
1,739,758,857.60x = 2,520,367,270,497,435,136 - Step 5: Solve for x
x = 2,520,367,270,497,435,136/1,739,758,857.60 - Step 6: Final answer
x = 1,448,687,707.20
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1.5x scale
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.