Finding the Fourth Proportional to 5,066,876,536.97, 6,992,289,509.85 and 2,808,810,341.51
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Solution
The fourth proportional to 5,066,876,536.97, 6,992,289,509.85 and 2,808,810,341.51 is: 3,876,158,209.65
Step by Step Solution
- Step 1: Write the proportion equation
5,066,876,536.97 : 6,992,289,509.85 = 2,808,810,341.51 : x - Step 2: Convert to fraction form
5,066,876,536.97/6,992,289,509.85 = 2,808,810,341.51/x - Step 3: Cross multiply
5,066,876,536.97x = 6,992,289,509.85 × 2,808,810,341.51 - Step 4: Simplify right side
5,066,876,536.97x = 19,640,015,086,063,607,808 - Step 5: Solve for x
x = 19,640,015,086,063,607,808/5,066,876,536.97 - Step 6: Final answer
x = 3,876,158,209.65
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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.