Finding the Fourth Proportional to 9,578,519,720.40, 14,367,779,580.60 and 5,660,311,515.60
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Solution
The fourth proportional to 9,578,519,720.40, 14,367,779,580.60 and 5,660,311,515.60 is: 8,490,467,273.40
Step by Step Solution
- Step 1: Write the proportion equation
9,578,519,720.40 : 14,367,779,580.60 = 5,660,311,515.60 : x - Step 2: Convert to fraction form
9,578,519,720.40/14,367,779,580.60 = 5,660,311,515.60/x - Step 3: Cross multiply
9,578,519,720.40x = 14,367,779,580.60 × 5,660,311,515.60 - Step 4: Simplify right side
9,578,519,720.40x = 81,326,108,213,672,722,432 - Step 5: Solve for x
x = 81,326,108,213,672,722,432/9,578,519,720.40 - Step 6: Final answer
x = 8,490,467,273.40
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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.