Finding the Fourth Proportional to 558,839,739,467.40, 838,259,609,201.10 and 307,203,701,425.80
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Solution
The fourth proportional to 558,839,739,467.40, 838,259,609,201.10 and 307,203,701,425.80 is: 460,805,552,138.70
Step by Step Solution
- Step 1: Write the proportion equation
558,839,739,467.40 : 838,259,609,201.10 = 307,203,701,425.80 : x - Step 2: Convert to fraction form
558,839,739,467.40/838,259,609,201.10 = 307,203,701,425.80/x - Step 3: Cross multiply
558,839,739,467.40x = 838,259,609,201.10 × 307,203,701,425.80 - Step 4: Simplify right side
558,839,739,467.40x = 257,516,454,702,322,510,987,264 - Step 5: Solve for x
x = 257,516,454,702,322,510,987,264/558,839,739,467.40 - Step 6: Final answer
x = 460,805,552,138.70
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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.