Finding the Fourth Proportional to 1,384,504,081,868.20, 1,910,626,851,177.40 and 767,217,110,955.12
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Solution
The fourth proportional to 1,384,504,081,868.20, 1,910,626,851,177.40 and 767,217,110,955.12 is: 1,058,765,829,635.99
Step by Step Solution
- Step 1: Write the proportion equation
1,384,504,081,868.20 : 1,910,626,851,177.40 = 767,217,110,955.12 : x - Step 2: Convert to fraction form
1,384,504,081,868.20/1,910,626,851,177.40 = 767,217,110,955.12/x - Step 3: Cross multiply
1,384,504,081,868.20x = 1,910,626,851,177.40 × 767,217,110,955.12 - Step 4: Simplify right side
1,384,504,081,868.20x = 1,465,865,612,873,602,705,653,760 - Step 5: Solve for x
x = 1,465,865,612,873,602,705,653,760/1,384,504,081,868.20 - Step 6: Final answer
x = 1,058,765,829,635.99
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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.