Finding the Fourth Proportional to 409,580,219.36, 565,220,750.64 and 223,941,360.80
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Solution
The fourth proportional to 409,580,219.36, 565,220,750.64 and 223,941,360.80 is: 309,039,104.11
Step by Step Solution
- Step 1: Write the proportion equation
409,580,219.36 : 565,220,750.64 = 223,941,360.80 : x - Step 2: Convert to fraction form
409,580,219.36/565,220,750.64 = 223,941,360.80/x - Step 3: Cross multiply
409,580,219.36x = 565,220,750.64 × 223,941,360.80 - Step 4: Simplify right side
409,580,219.36x = 126,576,304,050,719,072 - Step 5: Solve for x
x = 126,576,304,050,719,072/409,580,219.36 - Step 6: Final answer
x = 309,039,104.11
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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.