Finding the Fourth Proportional to 7,122,630,032,058, 10,635,981,146,740 and 5,816,821,137,372
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Solution
The fourth proportional to 7,122,630,032,058, 10,635,981,146,740 and 5,816,821,137,372 is: 8,686,061,142,104.75
Step by Step Solution
- Step 1: Write the proportion equation
7,122,630,032,058 : 10,635,981,146,740 = 5,816,821,137,372 : x - Step 2: Convert to fraction form
7,122,630,032,058/10,635,981,146,740 = 5,816,821,137,372/x - Step 3: Cross multiply
7,122,630,032,058x = 10,635,981,146,740 × 5,816,821,137,372 - Step 4: Simplify right side
7,122,630,032,058x = 61,867,599,951,047,317,163,868,160 - Step 5: Solve for x
x = 61,867,599,951,047,317,163,868,160/7,122,630,032,058 - Step 6: Final answer
x = 8,686,061,142,104.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.