Finding the Fourth Proportional to 7,025,399,901.12, 10,538,318,201.76 and 2,604,919,327.68
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Solution
The fourth proportional to 7,025,399,901.12, 10,538,318,201.76 and 2,604,919,327.68 is: 3,907,459,952.65
Step by Step Solution
- Step 1: Write the proportion equation
7,025,399,901.12 : 10,538,318,201.76 = 2,604,919,327.68 : x - Step 2: Convert to fraction form
7,025,399,901.12/10,538,318,201.76 = 2,604,919,327.68/x - Step 3: Cross multiply
7,025,399,901.12x = 10,538,318,201.76 × 2,604,919,327.68 - Step 4: Simplify right side
7,025,399,901.12x = 27,451,468,765,006,565,376 - Step 5: Solve for x
x = 27,451,468,765,006,565,376/7,025,399,901.12 - Step 6: Final answer
x = 3,907,459,952.65
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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.