Finding the Fourth Proportional to 843,029,451.36, 1,163,394,416.32 and 461,545,122.08
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Solution
The fourth proportional to 843,029,451.36, 1,163,394,416.32 and 461,545,122.08 is: 636,939,809.21
Step by Step Solution
- Step 1: Write the proportion equation
843,029,451.36 : 1,163,394,416.32 = 461,545,122.08 : x - Step 2: Convert to fraction form
843,029,451.36/1,163,394,416.32 = 461,545,122.08/x - Step 3: Cross multiply
843,029,451.36x = 1,163,394,416.32 × 461,545,122.08 - Step 4: Simplify right side
843,029,451.36x = 536,959,017,907,604,672 - Step 5: Solve for x
x = 536,959,017,907,604,672/843,029,451.36 - Step 6: Final answer
x = 636,939,809.21
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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.