Finding the Fourth Proportional to 656,635,155.68, 906,149,796.37 and 363,281,823.20
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Solution
The fourth proportional to 656,635,155.68, 906,149,796.37 and 363,281,823.20 is: 501,325,199.04
Step by Step Solution
- Step 1: Write the proportion equation
656,635,155.68 : 906,149,796.37 = 363,281,823.20 : x - Step 2: Convert to fraction form
656,635,155.68/906,149,796.37 = 363,281,823.20/x - Step 3: Cross multiply
656,635,155.68x = 906,149,796.37 × 363,281,823.20 - Step 4: Simplify right side
656,635,155.68x = 329,187,750,112,163,392 - Step 5: Solve for x
x = 329,187,750,112,163,392/656,635,155.68 - Step 6: Final answer
x = 501,325,199.04
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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.