Finding the Fourth Proportional to 366,955,025.80, 550,432,538.70 and 349,948,913.80
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Solution
The fourth proportional to 366,955,025.80, 550,432,538.70 and 349,948,913.80 is: 524,923,370.70
Step by Step Solution
- Step 1: Write the proportion equation
366,955,025.80 : 550,432,538.70 = 349,948,913.80 : x - Step 2: Convert to fraction form
366,955,025.80/550,432,538.70 = 349,948,913.80/x - Step 3: Cross multiply
366,955,025.80x = 550,432,538.70 × 349,948,913.80 - Step 4: Simplify right side
366,955,025.80x = 192,623,269,038,241,472 - Step 5: Solve for x
x = 192,623,269,038,241,472/366,955,025.80 - Step 6: Final answer
x = 524,923,370.70
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1.5x scale
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.