Finding the Fourth Proportional to 4,191,390,110.20, 6,287,085,165.30 and 1,244,124,612.40
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Solution
The fourth proportional to 4,191,390,110.20, 6,287,085,165.30 and 1,244,124,612.40 is: 1,866,186,918.60
Step by Step Solution
- Step 1: Write the proportion equation
4,191,390,110.20 : 6,287,085,165.30 = 1,244,124,612.40 : x - Step 2: Convert to fraction form
4,191,390,110.20/6,287,085,165.30 = 1,244,124,612.40/x - Step 3: Cross multiply
4,191,390,110.20x = 6,287,085,165.30 × 1,244,124,612.40 - Step 4: Simplify right side
4,191,390,110.20x = 7,821,917,394,404,653,056 - Step 5: Solve for x
x = 7,821,917,394,404,653,056/4,191,390,110.20 - Step 6: Final answer
x = 1,866,186,918.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.