Finding the Fourth Proportional to 409,820,636.18, 565,556,965.02 and 224,181,653.69
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Solution
The fourth proportional to 409,820,636.18, 565,556,965.02 and 224,181,653.69 is: 309,373,136.64
Step by Step Solution
- Step 1: Write the proportion equation
409,820,636.18 : 565,556,965.02 = 224,181,653.69 : x - Step 2: Convert to fraction form
409,820,636.18/565,556,965.02 = 224,181,653.69/x - Step 3: Cross multiply
409,820,636.18x = 565,556,965.02 × 224,181,653.69 - Step 4: Simplify right side
409,820,636.18x = 126,787,495,671,253,296 - Step 5: Solve for x
x = 126,787,495,671,253,296/409,820,636.18 - Step 6: Final answer
x = 309,373,136.64
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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.