Finding the Fourth Proportional to 1,370,759,505,075.50, 1,891,622,668,746.70 and 753,449,026,406.14
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Solution
The fourth proportional to 1,370,759,505,075.50, 1,891,622,668,746.70 and 753,449,026,406.14 is: 1,039,745,668,600.33
Step by Step Solution
- Step 1: Write the proportion equation
1,370,759,505,075.50 : 1,891,622,668,746.70 = 753,449,026,406.14 : x - Step 2: Convert to fraction form
1,370,759,505,075.50/1,891,622,668,746.70 = 753,449,026,406.14/x - Step 3: Cross multiply
1,370,759,505,075.50x = 1,891,622,668,746.70 × 753,449,026,406.14 - Step 4: Simplify right side
1,370,759,505,075.50x = 1,425,241,258,094,985,385,869,312 - Step 5: Solve for x
x = 1,425,241,258,094,985,385,869,312/1,370,759,505,075.50 - Step 6: Final answer
x = 1,039,745,668,600.33
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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.