Finding the Fourth Proportional to 409,817,214.37, 565,457,136.46 and 251,080,876.09
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Solution
The fourth proportional to 409,817,214.37, 565,457,136.46 and 251,080,876.09 is: 346,436,089.64
Step by Step Solution
- Step 1: Write the proportion equation
409,817,214.37 : 565,457,136.46 = 251,080,876.09 : x - Step 2: Convert to fraction form
409,817,214.37/565,457,136.46 = 251,080,876.09/x - Step 3: Cross multiply
409,817,214.37x = 565,457,136.46 × 251,080,876.09 - Step 4: Simplify right side
409,817,214.37x = 141,975,473,213,719,488 - Step 5: Solve for x
x = 141,975,473,213,719,488/409,817,214.37 - Step 6: Final answer
x = 346,436,089.64
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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.