Finding the Fourth Proportional to 341,429,206.77, 471,122,155.31 and 190,703,290.05
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Solution
The fourth proportional to 341,429,206.77, 471,122,155.31 and 190,703,290.05 is: 263,142,529.26
Step by Step Solution
- Step 1: Write the proportion equation
341,429,206.77 : 471,122,155.31 = 190,703,290.05 : x - Step 2: Convert to fraction form
341,429,206.77/471,122,155.31 = 190,703,290.05/x - Step 3: Cross multiply
341,429,206.77x = 471,122,155.31 × 190,703,290.05 - Step 4: Simplify right side
341,429,206.77x = 89,844,545,032,110,576 - Step 5: Solve for x
x = 89,844,545,032,110,576/341,429,206.77 - Step 6: Final answer
x = 263,142,529.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.