Finding the Fourth Proportional to 753,414,588.62, 1,039,770,371.52 and 452,011,242.98
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Solution
The fourth proportional to 753,414,588.62, 1,039,770,371.52 and 452,011,242.98 is: 623,810,455.95
Step by Step Solution
- Step 1: Write the proportion equation
753,414,588.62 : 1,039,770,371.52 = 452,011,242.98 : x - Step 2: Convert to fraction form
753,414,588.62/1,039,770,371.52 = 452,011,242.98/x - Step 3: Cross multiply
753,414,588.62x = 1,039,770,371.52 × 452,011,242.98 - Step 4: Simplify right side
753,414,588.62x = 469,987,898,044,531,584 - Step 5: Solve for x
x = 469,987,898,044,531,584/753,414,588.62 - Step 6: Final answer
x = 623,810,455.95
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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.