Finding the Fourth Proportional to 7,449,692,239.06, 11,165,336,788.43 and 6,393,002,855.31
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Solution
The fourth proportional to 7,449,692,239.06, 11,165,336,788.43 and 6,393,002,855.31 is: 9,581,607,894.45
Step by Step Solution
- Step 1: Write the proportion equation
7,449,692,239.06 : 11,165,336,788.43 = 6,393,002,855.31 : x - Step 2: Convert to fraction form
7,449,692,239.06/11,165,336,788.43 = 6,393,002,855.31/x - Step 3: Cross multiply
7,449,692,239.06x = 11,165,336,788.43 × 6,393,002,855.31 - Step 4: Simplify right side
7,449,692,239.06x = 71,380,029,968,943,562,752 - Step 5: Solve for x
x = 71,380,029,968,943,562,752/7,449,692,239.06 - Step 6: Final answer
x = 9,581,607,894.45
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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.