Finding the Fourth Proportional to 344,213,494.80, 475,000,801.36 and 187,577,263.32
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Solution
The fourth proportional to 344,213,494.80, 475,000,801.36 and 187,577,263.32 is: 258,849,091.45
Step by Step Solution
- Step 1: Write the proportion equation
344,213,494.80 : 475,000,801.36 = 187,577,263.32 : x - Step 2: Convert to fraction form
344,213,494.80/475,000,801.36 = 187,577,263.32/x - Step 3: Cross multiply
344,213,494.80x = 475,000,801.36 × 187,577,263.32 - Step 4: Simplify right side
344,213,494.80x = 89,099,350,393,915,728 - Step 5: Solve for x
x = 89,099,350,393,915,728/344,213,494.80 - Step 6: Final answer
x = 258,849,091.45
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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.