Finding the Fourth Proportional to 5,079,363,185.36, 7,619,070,463.68 and 1,585,475,778.80
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Solution
The fourth proportional to 5,079,363,185.36, 7,619,070,463.68 and 1,585,475,778.80 is: 2,378,221,685.73
Step by Step Solution
- Step 1: Write the proportion equation
5,079,363,185.36 : 7,619,070,463.68 = 1,585,475,778.80 : x - Step 2: Convert to fraction form
5,079,363,185.36/7,619,070,463.68 = 1,585,475,778.80/x - Step 3: Cross multiply
5,079,363,185.36x = 7,619,070,463.68 × 1,585,475,778.80 - Step 4: Simplify right side
5,079,363,185.36x = 12,079,851,677,135,124,480 - Step 5: Solve for x
x = 12,079,851,677,135,124,480/5,079,363,185.36 - Step 6: Final answer
x = 2,378,221,685.73
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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.