Finding the Fourth Proportional to 296,771,015.36, 409,542,689.26 and 169,609,572.21
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Solution
The fourth proportional to 296,771,015.36, 409,542,689.26 and 169,609,572.21 is: 234,060,459.86
Step by Step Solution
- Step 1: Write the proportion equation
296,771,015.36 : 409,542,689.26 = 169,609,572.21 : x - Step 2: Convert to fraction form
296,771,015.36/409,542,689.26 = 169,609,572.21/x - Step 3: Cross multiply
296,771,015.36x = 409,542,689.26 × 169,609,572.21 - Step 4: Simplify right side
296,771,015.36x = 69,462,360,327,121,560 - Step 5: Solve for x
x = 69,462,360,327,121,560/296,771,015.36 - Step 6: Final answer
x = 234,060,459.86
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1.5x scale
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.