Finding the Fourth Proportional to 1,972,264,672.04, 2,721,810,802.84 and 1,092,198,376.04
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Solution
The fourth proportional to 1,972,264,672.04, 2,721,810,802.84 and 1,092,198,376.04 is: 1,507,281,137.72
Step by Step Solution
- Step 1: Write the proportion equation
1,972,264,672.04 : 2,721,810,802.84 = 1,092,198,376.04 : x - Step 2: Convert to fraction form
1,972,264,672.04/2,721,810,802.84 = 1,092,198,376.04/x - Step 3: Cross multiply
1,972,264,672.04x = 2,721,810,802.84 × 1,092,198,376.04 - Step 4: Simplify right side
1,972,264,672.04x = 2,972,757,338,749,976,576 - Step 5: Solve for x
x = 2,972,757,338,749,976,576/1,972,264,672.04 - Step 6: Final answer
x = 1,507,281,137.72
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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.