Finding the Fourth Proportional to 5,670,011,423.60, 8,505,017,135.40 and 1,529,446,943.60
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Solution
The fourth proportional to 5,670,011,423.60, 8,505,017,135.40 and 1,529,446,943.60 is: 2,294,170,415.40
Step by Step Solution
- Step 1: Write the proportion equation
5,670,011,423.60 : 8,505,017,135.40 = 1,529,446,943.60 : x - Step 2: Convert to fraction form
5,670,011,423.60/8,505,017,135.40 = 1,529,446,943.60/x - Step 3: Cross multiply
5,670,011,423.60x = 8,505,017,135.40 × 1,529,446,943.60 - Step 4: Simplify right side
5,670,011,423.60x = 13,007,972,463,003,156,480 - Step 5: Solve for x
x = 13,007,972,463,003,156,480/5,670,011,423.60 - Step 6: Final answer
x = 2,294,170,415.40
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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.