Finding the Fourth Proportional to 4,801,785,992.97, 6,626,322,347.76 and 2,658,488,186.22
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Solution
The fourth proportional to 4,801,785,992.97, 6,626,322,347.76 and 2,658,488,186.22 is: 3,668,634,900.72
Step by Step Solution
- Step 1: Write the proportion equation
4,801,785,992.97 : 6,626,322,347.76 = 2,658,488,186.22 : x - Step 2: Convert to fraction form
4,801,785,992.97/6,626,322,347.76 = 2,658,488,186.22/x - Step 3: Cross multiply
4,801,785,992.97x = 6,626,322,347.76 × 2,658,488,186.22 - Step 4: Simplify right side
4,801,785,992.97x = 17,615,999,679,605,534,720 - Step 5: Solve for x
x = 17,615,999,679,605,534,720/4,801,785,992.97 - Step 6: Final answer
x = 3,668,634,900.72
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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.