Finding the Fourth Proportional to 7,121,714,871.32, 10,675,032,658.42 and 2,395,537,576.28
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Solution
The fourth proportional to 7,121,714,871.32, 10,675,032,658.42 and 2,395,537,576.28 is: 3,590,770,246.12
Step by Step Solution
- Step 1: Write the proportion equation
7,121,714,871.32 : 10,675,032,658.42 = 2,395,537,576.28 : x - Step 2: Convert to fraction form
7,121,714,871.32/10,675,032,658.42 = 2,395,537,576.28/x - Step 3: Cross multiply
7,121,714,871.32x = 10,675,032,658.42 × 2,395,537,576.28 - Step 4: Simplify right side
7,121,714,871.32x = 25,572,441,861,261,295,616 - Step 5: Solve for x
x = 25,572,441,861,261,295,616/7,121,714,871.32 - Step 6: Final answer
x = 3,590,770,246.12
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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.