Finding the Fourth Proportional to 1,163,657,067.24, 1,605,880,862.04 and 635,055,040.84
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Solution
The fourth proportional to 1,163,657,067.24, 1,605,880,862.04 and 635,055,040.84 is: 876,394,571.17
Step by Step Solution
- Step 1: Write the proportion equation
1,163,657,067.24 : 1,605,880,862.04 = 635,055,040.84 : x - Step 2: Convert to fraction form
1,163,657,067.24/1,605,880,862.04 = 635,055,040.84/x - Step 3: Cross multiply
1,163,657,067.24x = 1,605,880,862.04 × 635,055,040.84 - Step 4: Simplify right side
1,163,657,067.24x = 1,019,822,736,426,986,624 - Step 5: Solve for x
x = 1,019,822,736,426,986,624/1,163,657,067.24 - Step 6: Final answer
x = 876,394,571.17
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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.