Finding the Fourth Proportional to 5,187,751,106.34, 7,159,099,904.70 and 2,808,890,655.15
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Solution
The fourth proportional to 5,187,751,106.34, 7,159,099,904.70 and 2,808,890,655.15 is: 3,876,270,933.09
Step by Step Solution
- Step 1: Write the proportion equation
5,187,751,106.34 : 7,159,099,904.70 = 2,808,890,655.15 : x - Step 2: Convert to fraction form
5,187,751,106.34/7,159,099,904.70 = 2,808,890,655.15/x - Step 3: Cross multiply
5,187,751,106.34x = 7,159,099,904.70 × 2,808,890,655.15 - Step 4: Simplify right side
5,187,751,106.34x = 20,109,128,821,597,085,696 - Step 5: Solve for x
x = 20,109,128,821,597,085,696/5,187,751,106.34 - Step 6: Final answer
x = 3,876,270,933.09
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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.