Finding the Fourth Proportional to 6,379,153,635.20, 9,570,522,043.20 and 3,107,709,564.80
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Solution
The fourth proportional to 6,379,153,635.20, 9,570,522,043.20 and 3,107,709,564.80 is: 4,662,437,149.92
Step by Step Solution
- Step 1: Write the proportion equation
6,379,153,635.20 : 9,570,522,043.20 = 3,107,709,564.80 : x - Step 2: Convert to fraction form
6,379,153,635.20/9,570,522,043.20 = 3,107,709,564.80/x - Step 3: Cross multiply
6,379,153,635.20x = 9,570,522,043.20 × 3,107,709,564.80 - Step 4: Simplify right side
6,379,153,635.20x = 29,742,402,893,781,884,928 - Step 5: Solve for x
x = 29,742,402,893,781,884,928/6,379,153,635.20 - Step 6: Final answer
x = 4,662,437,149.92
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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.