Finding the Fourth Proportional to 536,928,507.99, 740,875,968.43 and 301,933,786.09
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Solution
The fourth proportional to 536,928,507.99, 740,875,968.43 and 301,933,786.09 is: 416,620,616.79
Step by Step Solution
- Step 1: Write the proportion equation
536,928,507.99 : 740,875,968.43 = 301,933,786.09 : x - Step 2: Convert to fraction form
536,928,507.99/740,875,968.43 = 301,933,786.09/x - Step 3: Cross multiply
536,928,507.99x = 740,875,968.43 × 301,933,786.09 - Step 4: Simplify right side
536,928,507.99x = 223,695,486,170,067,840 - Step 5: Solve for x
x = 223,695,486,170,067,840/536,928,507.99 - Step 6: Final answer
x = 416,620,616.79
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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.