Finding the Fourth Proportional to 669,701,845.44, 924,240,314.84 and 401,787,760.40
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Solution
The fourth proportional to 669,701,845.44, 924,240,314.84 and 401,787,760.40 is: 554,498,167.65
Step by Step Solution
- Step 1: Write the proportion equation
669,701,845.44 : 924,240,314.84 = 401,787,760.40 : x - Step 2: Convert to fraction form
669,701,845.44/924,240,314.84 = 401,787,760.40/x - Step 3: Cross multiply
669,701,845.44x = 924,240,314.84 × 401,787,760.40 - Step 4: Simplify right side
669,701,845.44x = 371,348,446,170,954,496 - Step 5: Solve for x
x = 371,348,446,170,954,496/669,701,845.44 - Step 6: Final answer
x = 554,498,167.65
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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.