Finding the Fourth Proportional to 4,702,346,923.80, 6,489,239,814.09 and 2,587,802,868.12
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Solution
The fourth proportional to 4,702,346,923.80, 6,489,239,814.09 and 2,587,802,868.12 is: 3,571,168,540.93
Step by Step Solution
- Step 1: Write the proportion equation
4,702,346,923.80 : 6,489,239,814.09 = 2,587,802,868.12 : x - Step 2: Convert to fraction form
4,702,346,923.80/6,489,239,814.09 = 2,587,802,868.12/x - Step 3: Cross multiply
4,702,346,923.80x = 6,489,239,814.09 × 2,587,802,868.12 - Step 4: Simplify right side
4,702,346,923.80x = 16,792,873,402,820,597,760 - Step 5: Solve for x
x = 16,792,873,402,820,597,760/4,702,346,923.80 - Step 6: Final answer
x = 3,571,168,540.93
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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.