Finding the Fourth Proportional to 1,095,772,047.96, 1,644,223,171.19 and 513,565,441.68
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Solution
The fourth proportional to 1,095,772,047.96, 1,644,223,171.19 and 513,565,441.68 is: 770,613,012.72
Step by Step Solution
- Step 1: Write the proportion equation
1,095,772,047.96 : 1,644,223,171.19 = 513,565,441.68 : x - Step 2: Convert to fraction form
1,095,772,047.96/1,644,223,171.19 = 513,565,441.68/x - Step 3: Cross multiply
1,095,772,047.96x = 1,644,223,171.19 × 513,565,441.68 - Step 4: Simplify right side
1,095,772,047.96x = 844,416,199,136,280,576 - Step 5: Solve for x
x = 844,416,199,136,280,576/1,095,772,047.96 - Step 6: Final answer
x = 770,613,012.72
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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.