Finding the Fourth Proportional to 5,390,733,708.80, 8,086,100,563.20 and 1,513,340,172.80
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Solution
The fourth proportional to 5,390,733,708.80, 8,086,100,563.20 and 1,513,340,172.80 is: 2,270,010,259.20
Step by Step Solution
- Step 1: Write the proportion equation
5,390,733,708.80 : 8,086,100,563.20 = 1,513,340,172.80 : x - Step 2: Convert to fraction form
5,390,733,708.80/8,086,100,563.20 = 1,513,340,172.80/x - Step 3: Cross multiply
5,390,733,708.80x = 8,086,100,563.20 × 1,513,340,172.80 - Step 4: Simplify right side
5,390,733,708.80x = 12,237,020,823,591,264,256 - Step 5: Solve for x
x = 12,237,020,823,591,264,256/5,390,733,708.80 - Step 6: Final answer
x = 2,270,010,259.20
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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.