Finding the Fourth Proportional to 8,780,048,939.13, 13,172,660,557.34 and 3,536,959,115.13
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Solution
The fourth proportional to 8,780,048,939.13, 13,172,660,557.34 and 3,536,959,115.13 is: 5,306,480,880.89
Step by Step Solution
- Step 1: Write the proportion equation
8,780,048,939.13 : 13,172,660,557.34 = 3,536,959,115.13 : x - Step 2: Convert to fraction form
8,780,048,939.13/13,172,660,557.34 = 3,536,959,115.13/x - Step 3: Cross multiply
8,780,048,939.13x = 13,172,660,557.34 × 3,536,959,115.13 - Step 4: Simplify right side
8,780,048,939.13x = 46,591,161,828,779,450,368 - Step 5: Solve for x
x = 46,591,161,828,779,450,368/8,780,048,939.13 - Step 6: Final answer
x = 5,306,480,880.89
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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.