Finding the Fourth Proportional to 633,437,140.50, 948,918,744.99 and 300,971,021.76
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Solution
The fourth proportional to 633,437,140.50, 948,918,744.99 and 300,971,021.76 is: 450,868,801.32
Step by Step Solution
- Step 1: Write the proportion equation
633,437,140.50 : 948,918,744.99 = 300,971,021.76 : x - Step 2: Convert to fraction form
633,437,140.50/948,918,744.99 = 300,971,021.76/x - Step 3: Cross multiply
633,437,140.50x = 948,918,744.99 × 300,971,021.76 - Step 4: Simplify right side
633,437,140.50x = 285,597,044,246,857,184 - Step 5: Solve for x
x = 285,597,044,246,857,184/633,437,140.50 - Step 6: Final answer
x = 450,868,801.32
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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.