Finding the Fourth Proportional to 7,286,728,259.12, 10,056,359,037.68 and 4,428,210,751.12
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Solution
The fourth proportional to 7,286,728,259.12, 10,056,359,037.68 and 4,428,210,751.12 is: 6,111,340,456.82
Step by Step Solution
- Step 1: Write the proportion equation
7,286,728,259.12 : 10,056,359,037.68 = 4,428,210,751.12 : x - Step 2: Convert to fraction form
7,286,728,259.12/10,056,359,037.68 = 4,428,210,751.12/x - Step 3: Cross multiply
7,286,728,259.12x = 10,056,359,037.68 × 4,428,210,751.12 - Step 4: Simplify right side
7,286,728,259.12x = 44,531,677,207,777,353,728 - Step 5: Solve for x
x = 44,531,677,207,777,353,728/7,286,728,259.12 - Step 6: Final answer
x = 6,111,340,456.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.