Finding the Fourth Proportional to 959,365,579.80, 1,439,048,369.70 and 959,365,579.80
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Solution
The fourth proportional to 959,365,579.80, 1,439,048,369.70 and 959,365,579.80 is: 1,439,048,369.70
Step by Step Solution
- Step 1: Write the proportion equation
959,365,579.80 : 1,439,048,369.70 = 959,365,579.80 : x - Step 2: Convert to fraction form
959,365,579.80/1,439,048,369.70 = 959,365,579.80/x - Step 3: Cross multiply
959,365,579.80x = 1,439,048,369.70 × 959,365,579.80 - Step 4: Simplify right side
959,365,579.80x = 1,380,573,473,557,485,312 - Step 5: Solve for x
x = 1,380,573,473,557,485,312/959,365,579.80 - Step 6: Final answer
x = 1,439,048,369.70
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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.