Finding the Fourth Proportional to 479,548,515.80, 719,322,773.70 and 479,548,515.80
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Solution
The fourth proportional to 479,548,515.80, 719,322,773.70 and 479,548,515.80 is: 719,322,773.70
Step by Step Solution
- Step 1: Write the proportion equation
479,548,515.80 : 719,322,773.70 = 479,548,515.80 : x - Step 2: Convert to fraction form
479,548,515.80/719,322,773.70 = 479,548,515.80/x - Step 3: Cross multiply
479,548,515.80x = 719,322,773.70 × 479,548,515.80 - Step 4: Simplify right side
479,548,515.80x = 344,950,168,508,974,336 - Step 5: Solve for x
x = 344,950,168,508,974,336/479,548,515.80 - Step 6: Final answer
x = 719,322,773.70
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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.