Finding the Fourth Proportional to 2,976,656,721.36, 4,464,032,860.62 and 984,328,677.24
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Solution
The fourth proportional to 2,976,656,721.36, 4,464,032,860.62 and 984,328,677.24 is: 1,476,178,132.78
Step by Step Solution
- Step 1: Write the proportion equation
2,976,656,721.36 : 4,464,032,860.62 = 984,328,677.24 : x - Step 2: Convert to fraction form
2,976,656,721.36/4,464,032,860.62 = 984,328,677.24/x - Step 3: Cross multiply
2,976,656,721.36x = 4,464,032,860.62 × 984,328,677.24 - Step 4: Simplify right side
2,976,656,721.36x = 4,394,075,560,849,977,856 - Step 5: Solve for x
x = 4,394,075,560,849,977,856/2,976,656,721.36 - Step 6: Final answer
x = 1,476,178,132.78
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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.