Finding the Fourth Proportional to 839,811,026.80, 1,259,716,540.20 and 741,175,577.20
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Solution
The fourth proportional to 839,811,026.80, 1,259,716,540.20 and 741,175,577.20 is: 1,111,763,365.80
Step by Step Solution
- Step 1: Write the proportion equation
839,811,026.80 : 1,259,716,540.20 = 741,175,577.20 : x - Step 2: Convert to fraction form
839,811,026.80/1,259,716,540.20 = 741,175,577.20/x - Step 3: Cross multiply
839,811,026.80x = 1,259,716,540.20 × 741,175,577.20 - Step 4: Simplify right side
839,811,026.80x = 933,671,133,791,122,048 - Step 5: Solve for x
x = 933,671,133,791,122,048/839,811,026.80 - Step 6: Final answer
x = 1,111,763,365.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.