Finding the Fourth Proportional to 7,549,632,406.80, 11,324,448,610.20 and 4,937,493,603.60
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Solution
The fourth proportional to 7,549,632,406.80, 11,324,448,610.20 and 4,937,493,603.60 is: 7,406,240,405.40
Step by Step Solution
- Step 1: Write the proportion equation
7,549,632,406.80 : 11,324,448,610.20 = 4,937,493,603.60 : x - Step 2: Convert to fraction form
7,549,632,406.80/11,324,448,610.20 = 4,937,493,603.60/x - Step 3: Cross multiply
7,549,632,406.80x = 11,324,448,610.20 × 4,937,493,603.60 - Step 4: Simplify right side
7,549,632,406.80x = 55,914,392,577,159,413,760 - Step 5: Solve for x
x = 55,914,392,577,159,413,760/7,549,632,406.80 - Step 6: Final answer
x = 7,406,240,405.40
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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.