Finding the Fourth Proportional to 756,848,469.60, 1,135,272,704.40 and 746,644,802.40
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Solution
The fourth proportional to 756,848,469.60, 1,135,272,704.40 and 746,644,802.40 is: 1,119,967,203.60
Step by Step Solution
- Step 1: Write the proportion equation
756,848,469.60 : 1,135,272,704.40 = 746,644,802.40 : x - Step 2: Convert to fraction form
756,848,469.60/1,135,272,704.40 = 746,644,802.40/x - Step 3: Cross multiply
756,848,469.60x = 1,135,272,704.40 × 746,644,802.40 - Step 4: Simplify right side
756,848,469.60x = 847,645,464,046,851,712 - Step 5: Solve for x
x = 847,645,464,046,851,712/756,848,469.60 - Step 6: Final answer
x = 1,119,967,203.60
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1.5x scale
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.