Finding the Fourth Proportional to 817,350,130.56, 1,225,296,267.84 and 299,659,936.80
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Solution
The fourth proportional to 817,350,130.56, 1,225,296,267.84 and 299,659,936.80 is: 449,222,662.91
Step by Step Solution
- Step 1: Write the proportion equation
817,350,130.56 : 1,225,296,267.84 = 299,659,936.80 : x - Step 2: Convert to fraction form
817,350,130.56/1,225,296,267.84 = 299,659,936.80/x - Step 3: Cross multiply
817,350,130.56x = 1,225,296,267.84 × 299,659,936.80 - Step 4: Simplify right side
817,350,130.56x = 367,172,202,182,210,240 - Step 5: Solve for x
x = 367,172,202,182,210,240/817,350,130.56 - Step 6: Final answer
x = 449,222,662.91
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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.