Finding the Fourth Proportional to 919,884,705,181.24, 1,378,593,668,137.20 and 715,924,179,587.60
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Solution
The fourth proportional to 919,884,705,181.24, 1,378,593,668,137.20 and 715,924,179,587.60 is: 1,072,926,351,842.46
Step by Step Solution
- Step 1: Write the proportion equation
919,884,705,181.24 : 1,378,593,668,137.20 = 715,924,179,587.60 : x - Step 2: Convert to fraction form
919,884,705,181.24/1,378,593,668,137.20 = 715,924,179,587.60/x - Step 3: Cross multiply
919,884,705,181.24x = 1,378,593,668,137.20 × 715,924,179,587.60 - Step 4: Simplify right side
919,884,705,181.24x = 986,968,540,845,784,940,150,784 - Step 5: Solve for x
x = 986,968,540,845,784,940,150,784/919,884,705,181.24 - Step 6: Final answer
x = 1,072,926,351,842.46
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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.